Home / 9,020.08-12,446.76-5,242.56

Finding the Fourth Proportional to 9,020.08, 12,446.76 and 5,242.56

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Solution

The fourth proportional to 9,020.08, 12,446.76 and 5,242.56 is: 7,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.08 : 12,446.76 = 5,242.56 : x
  2. Step 2: Convert to fraction form
    9,020.08/12,446.76 = 5,242.56/x
  3. Step 3: Cross multiply
    9,020.08x = 12,446.76 × 5,242.56
  4. Step 4: Simplify right side
    9,020.08x = 65,252,886.11
  5. Step 5: Solve for x
    x = 65,252,886.11/9,020.08
  6. Step 6: Final answer
    x = 7,234.18

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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.