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Finding the Fourth Proportional to 9,603.71, 13,248.41 and 6,417.79

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Solution

The fourth proportional to 9,603.71, 13,248.41 and 6,417.79 is: 8,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.71 : 13,248.41 = 6,417.79 : x
  2. Step 2: Convert to fraction form
    9,603.71/13,248.41 = 6,417.79/x
  3. Step 3: Cross multiply
    9,603.71x = 13,248.41 × 6,417.79
  4. Step 4: Simplify right side
    9,603.71x = 85,025,496.14
  5. Step 5: Solve for x
    x = 85,025,496.14/9,603.71
  6. Step 6: Final answer
    x = 8,853.40

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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.