Home / 9,651.60-13,319.45-5,672.92

Finding the Fourth Proportional to 9,651.60, 13,319.45 and 5,672.92

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Solution

The fourth proportional to 9,651.60, 13,319.45 and 5,672.92 is: 7,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.60 : 13,319.45 = 5,672.92 : x
  2. Step 2: Convert to fraction form
    9,651.60/13,319.45 = 5,672.92/x
  3. Step 3: Cross multiply
    9,651.60x = 13,319.45 × 5,672.92
  4. Step 4: Simplify right side
    9,651.60x = 75,560,174.29
  5. Step 5: Solve for x
    x = 75,560,174.29/9,651.60
  6. Step 6: Final answer
    x = 7,828.77

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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.