Home / 11,462.15-15,818.17-6,685.15

Finding the Fourth Proportional to 11,462.15, 15,818.17 and 6,685.15

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Solution

The fourth proportional to 11,462.15, 15,818.17 and 6,685.15 is: 9,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.15 : 15,818.17 = 6,685.15 : x
  2. Step 2: Convert to fraction form
    11,462.15/15,818.17 = 6,685.15/x
  3. Step 3: Cross multiply
    11,462.15x = 15,818.17 × 6,685.15
  4. Step 4: Simplify right side
    11,462.15x = 105,746,760.08
  5. Step 5: Solve for x
    x = 105,746,760.08/11,462.15
  6. Step 6: Final answer
    x = 9,225.74

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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.