Home / 9,635.42-13,287.40-7,740.93

Finding the Fourth Proportional to 9,635.42, 13,287.40 and 7,740.93

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Solution

The fourth proportional to 9,635.42, 13,287.40 and 7,740.93 is: 10,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.42 : 13,287.40 = 7,740.93 : x
  2. Step 2: Convert to fraction form
    9,635.42/13,287.40 = 7,740.93/x
  3. Step 3: Cross multiply
    9,635.42x = 13,287.40 × 7,740.93
  4. Step 4: Simplify right side
    9,635.42x = 102,856,833.28
  5. Step 5: Solve for x
    x = 102,856,833.28/9,635.42
  6. Step 6: Final answer
    x = 10,674.87

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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.