Home / 34,158.60-51,239.76-9,199.20

Finding the Fourth Proportional to 34,158.60, 51,239.76 and 9,199.20

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Solution

The fourth proportional to 34,158.60, 51,239.76 and 9,199.20 is: 13,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.60 : 51,239.76 = 9,199.20 : x
  2. Step 2: Convert to fraction form
    34,158.60/51,239.76 = 9,199.20/x
  3. Step 3: Cross multiply
    34,158.60x = 51,239.76 × 9,199.20
  4. Step 4: Simplify right side
    34,158.60x = 471,364,800.19
  5. Step 5: Solve for x
    x = 471,364,800.19/34,158.60
  6. Step 6: Final answer
    x = 13,799.30

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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.