Home / 13,214.75-18,235.95-7,246.27

Finding the Fourth Proportional to 13,214.75, 18,235.95 and 7,246.27

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Solution

The fourth proportional to 13,214.75, 18,235.95 and 7,246.27 is: 9,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.75 : 18,235.95 = 7,246.27 : x
  2. Step 2: Convert to fraction form
    13,214.75/18,235.95 = 7,246.27/x
  3. Step 3: Cross multiply
    13,214.75x = 18,235.95 × 7,246.27
  4. Step 4: Simplify right side
    13,214.75x = 132,142,617.41
  5. Step 5: Solve for x
    x = 132,142,617.41/13,214.75
  6. Step 6: Final answer
    x = 9,999.63

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Half scale
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Double scale
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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.