Home / 10,351.17-15,502.59-7,570.85

Finding the Fourth Proportional to 10,351.17, 15,502.59 and 7,570.85

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Solution

The fourth proportional to 10,351.17, 15,502.59 and 7,570.85 is: 11,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.17 : 15,502.59 = 7,570.85 : x
  2. Step 2: Convert to fraction form
    10,351.17/15,502.59 = 7,570.85/x
  3. Step 3: Cross multiply
    10,351.17x = 15,502.59 × 7,570.85
  4. Step 4: Simplify right side
    10,351.17x = 117,367,705.99
  5. Step 5: Solve for x
    x = 117,367,705.99/10,351.17
  6. Step 6: Final answer
    x = 11,338.59

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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.