Home / 10,459.80-15,690.18-4,134.66

Finding the Fourth Proportional to 10,459.80, 15,690.18 and 4,134.66

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Solution

The fourth proportional to 10,459.80, 15,690.18 and 4,134.66 is: 6,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.80 : 15,690.18 = 4,134.66 : x
  2. Step 2: Convert to fraction form
    10,459.80/15,690.18 = 4,134.66/x
  3. Step 3: Cross multiply
    10,459.80x = 15,690.18 × 4,134.66
  4. Step 4: Simplify right side
    10,459.80x = 64,873,559.64
  5. Step 5: Solve for x
    x = 64,873,559.64/10,459.80
  6. Step 6: Final answer
    x = 6,202.18

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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.