Home / 11,240.64-16,859.92-5,000.92

Finding the Fourth Proportional to 11,240.64, 16,859.92 and 5,000.92

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Solution

The fourth proportional to 11,240.64, 16,859.92 and 5,000.92 is: 7,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.64 : 16,859.92 = 5,000.92 : x
  2. Step 2: Convert to fraction form
    11,240.64/16,859.92 = 5,000.92/x
  3. Step 3: Cross multiply
    11,240.64x = 16,859.92 × 5,000.92
  4. Step 4: Simplify right side
    11,240.64x = 84,315,111.13
  5. Step 5: Solve for x
    x = 84,315,111.13/11,240.64
  6. Step 6: Final answer
    x = 7,500.92

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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.