Home / 9,547.85-14,321.76-5,385.97

Finding the Fourth Proportional to 9,547.85, 14,321.76 and 5,385.97

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Solution

The fourth proportional to 9,547.85, 14,321.76 and 5,385.97 is: 8,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,547.85 : 14,321.76 = 5,385.97 : x
  2. Step 2: Convert to fraction form
    9,547.85/14,321.76 = 5,385.97/x
  3. Step 3: Cross multiply
    9,547.85x = 14,321.76 × 5,385.97
  4. Step 4: Simplify right side
    9,547.85x = 77,136,569.71
  5. Step 5: Solve for x
    x = 77,136,569.71/9,547.85
  6. Step 6: Final answer
    x = 8,078.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.