Home / 10,124.64-13,969.44-6,151.68

Finding the Fourth Proportional to 10,124.64, 13,969.44 and 6,151.68

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Solution

The fourth proportional to 10,124.64, 13,969.44 and 6,151.68 is: 8,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.64 : 13,969.44 = 6,151.68 : x
  2. Step 2: Convert to fraction form
    10,124.64/13,969.44 = 6,151.68/x
  3. Step 3: Cross multiply
    10,124.64x = 13,969.44 × 6,151.68
  4. Step 4: Simplify right side
    10,124.64x = 85,935,524.66
  5. Step 5: Solve for x
    x = 85,935,524.66/10,124.64
  6. Step 6: Final answer
    x = 8,487.76

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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.