Home / 10,020.30-15,046.65-7,266.30

Finding the Fourth Proportional to 10,020.30, 15,046.65 and 7,266.30

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Solution

The fourth proportional to 10,020.30, 15,046.65 and 7,266.30 is: 10,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.30 : 15,046.65 = 7,266.30 : x
  2. Step 2: Convert to fraction form
    10,020.30/15,046.65 = 7,266.30/x
  3. Step 3: Cross multiply
    10,020.30x = 15,046.65 × 7,266.30
  4. Step 4: Simplify right side
    10,020.30x = 109,333,472.90
  5. Step 5: Solve for x
    x = 109,333,472.90/10,020.30
  6. Step 6: Final answer
    x = 10,911.20

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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.