Home / 10,867.86-14,996.90-6,151.86

Finding the Fourth Proportional to 10,867.86, 14,996.90 and 6,151.86

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Solution

The fourth proportional to 10,867.86, 14,996.90 and 6,151.86 is: 8,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.86 : 14,996.90 = 6,151.86 : x
  2. Step 2: Convert to fraction form
    10,867.86/14,996.90 = 6,151.86/x
  3. Step 3: Cross multiply
    10,867.86x = 14,996.90 × 6,151.86
  4. Step 4: Simplify right side
    10,867.86x = 92,258,829.23
  5. Step 5: Solve for x
    x = 92,258,829.23/10,867.86
  6. Step 6: Final answer
    x = 8,489.14

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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.