Home / 11,292.32-15,581.84-6,255.29

Finding the Fourth Proportional to 11,292.32, 15,581.84 and 6,255.29

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Solution

The fourth proportional to 11,292.32, 15,581.84 and 6,255.29 is: 8,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.32 : 15,581.84 = 6,255.29 : x
  2. Step 2: Convert to fraction form
    11,292.32/15,581.84 = 6,255.29/x
  3. Step 3: Cross multiply
    11,292.32x = 15,581.84 × 6,255.29
  4. Step 4: Simplify right side
    11,292.32x = 97,468,818.75
  5. Step 5: Solve for x
    x = 97,468,818.75/11,292.32
  6. Step 6: Final answer
    x = 8,631.43

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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.