Home / 13,262.12-18,301.80-7,294.20

Finding the Fourth Proportional to 13,262.12, 18,301.80 and 7,294.20

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Solution

The fourth proportional to 13,262.12, 18,301.80 and 7,294.20 is: 10,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.12 : 18,301.80 = 7,294.20 : x
  2. Step 2: Convert to fraction form
    13,262.12/18,301.80 = 7,294.20/x
  3. Step 3: Cross multiply
    13,262.12x = 18,301.80 × 7,294.20
  4. Step 4: Simplify right side
    13,262.12x = 133,496,989.56
  5. Step 5: Solve for x
    x = 133,496,989.56/13,262.12
  6. Step 6: Final answer
    x = 10,066.04

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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.