Home / 8,280.14-11,425.99-4,695.17

Finding the Fourth Proportional to 8,280.14, 11,425.99 and 4,695.17

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Solution

The fourth proportional to 8,280.14, 11,425.99 and 4,695.17 is: 6,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.14 : 11,425.99 = 4,695.17 : x
  2. Step 2: Convert to fraction form
    8,280.14/11,425.99 = 4,695.17/x
  3. Step 3: Cross multiply
    8,280.14x = 11,425.99 × 4,695.17
  4. Step 4: Simplify right side
    8,280.14x = 53,646,965.47
  5. Step 5: Solve for x
    x = 53,646,965.47/8,280.14
  6. Step 6: Final answer
    x = 6,478.99

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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.