Home / 10,939.86-15,097.59-6,225.66

Finding the Fourth Proportional to 10,939.86, 15,097.59 and 6,225.66

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Solution

The fourth proportional to 10,939.86, 15,097.59 and 6,225.66 is: 8,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.86 : 15,097.59 = 6,225.66 : x
  2. Step 2: Convert to fraction form
    10,939.86/15,097.59 = 6,225.66/x
  3. Step 3: Cross multiply
    10,939.86x = 15,097.59 × 6,225.66
  4. Step 4: Simplify right side
    10,939.86x = 93,992,462.16
  5. Step 5: Solve for x
    x = 93,992,462.16/10,939.86
  6. Step 6: Final answer
    x = 8,591.74

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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.