Home / 11,031.02-15,221.18-6,554.96

Finding the Fourth Proportional to 11,031.02, 15,221.18 and 6,554.96

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Solution

The fourth proportional to 11,031.02, 15,221.18 and 6,554.96 is: 9,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.02 : 15,221.18 = 6,554.96 : x
  2. Step 2: Convert to fraction form
    11,031.02/15,221.18 = 6,554.96/x
  3. Step 3: Cross multiply
    11,031.02x = 15,221.18 × 6,554.96
  4. Step 4: Simplify right side
    11,031.02x = 99,774,226.05
  5. Step 5: Solve for x
    x = 99,774,226.05/11,031.02
  6. Step 6: Final answer
    x = 9,044.88

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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.