Home / 12,442.23-17,170.28-6,853.23

Finding the Fourth Proportional to 12,442.23, 17,170.28 and 6,853.23

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Solution

The fourth proportional to 12,442.23, 17,170.28 and 6,853.23 is: 9,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.23 : 17,170.28 = 6,853.23 : x
  2. Step 2: Convert to fraction form
    12,442.23/17,170.28 = 6,853.23/x
  3. Step 3: Cross multiply
    12,442.23x = 17,170.28 × 6,853.23
  4. Step 4: Simplify right side
    12,442.23x = 117,671,878.00
  5. Step 5: Solve for x
    x = 117,671,878.00/12,442.23
  6. Step 6: Final answer
    x = 9,457.46

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Half scale
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Double scale
Find fourth proportional to 12,443.23, 17,171.66 and 6,854.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.