Home / 36,343.79-54,515.53-9,689.73

Finding the Fourth Proportional to 36,343.79, 54,515.53 and 9,689.73

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Solution

The fourth proportional to 36,343.79, 54,515.53 and 9,689.73 is: 14,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,343.79 : 54,515.53 = 9,689.73 : x
  2. Step 2: Convert to fraction form
    36,343.79/54,515.53 = 9,689.73/x
  3. Step 3: Cross multiply
    36,343.79x = 54,515.53 × 9,689.73
  4. Step 4: Simplify right side
    36,343.79x = 528,240,574.19
  5. Step 5: Solve for x
    x = 528,240,574.19/36,343.79
  6. Step 6: Final answer
    x = 14,534.55

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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.