Home / 8,217.40-11,343.09-6,232.70

Finding the Fourth Proportional to 8,217.40, 11,343.09 and 6,232.70

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Solution

The fourth proportional to 8,217.40, 11,343.09 and 6,232.70 is: 8,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.40 : 11,343.09 = 6,232.70 : x
  2. Step 2: Convert to fraction form
    8,217.40/11,343.09 = 6,232.70/x
  3. Step 3: Cross multiply
    8,217.40x = 11,343.09 × 6,232.70
  4. Step 4: Simplify right side
    8,217.40x = 70,698,077.04
  5. Step 5: Solve for x
    x = 70,698,077.04/8,217.40
  6. Step 6: Final answer
    x = 8,603.46

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Half scale
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Double scale
Find fourth proportional to 8,218.40, 11,344.47 and 6,233.70
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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.