Home / 10,124.55-15,194.61-6,613.61

Finding the Fourth Proportional to 10,124.55, 15,194.61 and 6,613.61

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Solution

The fourth proportional to 10,124.55, 15,194.61 and 6,613.61 is: 9,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.55 : 15,194.61 = 6,613.61 : x
  2. Step 2: Convert to fraction form
    10,124.55/15,194.61 = 6,613.61/x
  3. Step 3: Cross multiply
    10,124.55x = 15,194.61 × 6,613.61
  4. Step 4: Simplify right side
    10,124.55x = 100,491,148.67
  5. Step 5: Solve for x
    x = 100,491,148.67/10,124.55
  6. Step 6: Final answer
    x = 9,925.49

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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.