Home / 10,927.91-15,080.15-6,147.95

Finding the Fourth Proportional to 10,927.91, 15,080.15 and 6,147.95

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Solution

The fourth proportional to 10,927.91, 15,080.15 and 6,147.95 is: 8,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.91 : 15,080.15 = 6,147.95 : x
  2. Step 2: Convert to fraction form
    10,927.91/15,080.15 = 6,147.95/x
  3. Step 3: Cross multiply
    10,927.91x = 15,080.15 × 6,147.95
  4. Step 4: Simplify right side
    10,927.91x = 92,711,977.45
  5. Step 5: Solve for x
    x = 92,711,977.45/10,927.91
  6. Step 6: Final answer
    x = 8,483.96

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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.