Home / 11,031.20-16,549.50-5,487.16

Finding the Fourth Proportional to 11,031.20, 16,549.50 and 5,487.16

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Solution

The fourth proportional to 11,031.20, 16,549.50 and 5,487.16 is: 8,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.20 : 16,549.50 = 5,487.16 : x
  2. Step 2: Convert to fraction form
    11,031.20/16,549.50 = 5,487.16/x
  3. Step 3: Cross multiply
    11,031.20x = 16,549.50 × 5,487.16
  4. Step 4: Simplify right side
    11,031.20x = 90,809,754.42
  5. Step 5: Solve for x
    x = 90,809,754.42/11,031.20
  6. Step 6: Final answer
    x = 8,232.08

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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.