Home / 9,663.14-13,334.76-5,471.40

Finding the Fourth Proportional to 9,663.14, 13,334.76 and 5,471.40

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Solution

The fourth proportional to 9,663.14, 13,334.76 and 5,471.40 is: 7,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.14 : 13,334.76 = 5,471.40 : x
  2. Step 2: Convert to fraction form
    9,663.14/13,334.76 = 5,471.40/x
  3. Step 3: Cross multiply
    9,663.14x = 13,334.76 × 5,471.40
  4. Step 4: Simplify right side
    9,663.14x = 72,959,805.86
  5. Step 5: Solve for x
    x = 72,959,805.86/9,663.14
  6. Step 6: Final answer
    x = 7,550.32

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Double scale
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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.