Home / 9,436.56-13,010.40-7,285.20

Finding the Fourth Proportional to 9,436.56, 13,010.40 and 7,285.20

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Solution

The fourth proportional to 9,436.56, 13,010.40 and 7,285.20 is: 10,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.56 : 13,010.40 = 7,285.20 : x
  2. Step 2: Convert to fraction form
    9,436.56/13,010.40 = 7,285.20/x
  3. Step 3: Cross multiply
    9,436.56x = 13,010.40 × 7,285.20
  4. Step 4: Simplify right side
    9,436.56x = 94,783,366.08
  5. Step 5: Solve for x
    x = 94,783,366.08/9,436.56
  6. Step 6: Final answer
    x = 10,044.27

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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.