Home / 10,382.24-14,327.52-6,190.40

Finding the Fourth Proportional to 10,382.24, 14,327.52 and 6,190.40

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Solution

The fourth proportional to 10,382.24, 14,327.52 and 6,190.40 is: 8,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.24 : 14,327.52 = 6,190.40 : x
  2. Step 2: Convert to fraction form
    10,382.24/14,327.52 = 6,190.40/x
  3. Step 3: Cross multiply
    10,382.24x = 14,327.52 × 6,190.40
  4. Step 4: Simplify right side
    10,382.24x = 88,693,079.81
  5. Step 5: Solve for x
    x = 88,693,079.81/10,382.24
  6. Step 6: Final answer
    x = 8,542.77

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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.