Home / 9,663.39-13,335.75-5,471.64

Finding the Fourth Proportional to 9,663.39, 13,335.75 and 5,471.64

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Solution

The fourth proportional to 9,663.39, 13,335.75 and 5,471.64 is: 7,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.39 : 13,335.75 = 5,471.64 : x
  2. Step 2: Convert to fraction form
    9,663.39/13,335.75 = 5,471.64/x
  3. Step 3: Cross multiply
    9,663.39x = 13,335.75 × 5,471.64
  4. Step 4: Simplify right side
    9,663.39x = 72,968,423.13
  5. Step 5: Solve for x
    x = 72,968,423.13/9,663.39
  6. Step 6: Final answer
    x = 7,551.02

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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.