Home / 10,479.62-14,456.30-7,957.55

Finding the Fourth Proportional to 10,479.62, 14,456.30 and 7,957.55

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Solution

The fourth proportional to 10,479.62, 14,456.30 and 7,957.55 is: 10,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.62 : 14,456.30 = 7,957.55 : x
  2. Step 2: Convert to fraction form
    10,479.62/14,456.30 = 7,957.55/x
  3. Step 3: Cross multiply
    10,479.62x = 14,456.30 × 7,957.55
  4. Step 4: Simplify right side
    10,479.62x = 115,036,618.00
  5. Step 5: Solve for x
    x = 115,036,618.00/10,479.62
  6. Step 6: Final answer
    x = 10,977.18

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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.