Home / 10,351.20-15,423.94-9,849.08

Finding the Fourth Proportional to 10,351.20, 15,423.94 and 9,849.08

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Solution

The fourth proportional to 10,351.20, 15,423.94 and 9,849.08 is: 14,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.20 : 15,423.94 = 9,849.08 : x
  2. Step 2: Convert to fraction form
    10,351.20/15,423.94 = 9,849.08/x
  3. Step 3: Cross multiply
    10,351.20x = 15,423.94 × 9,849.08
  4. Step 4: Simplify right side
    10,351.20x = 151,911,618.98
  5. Step 5: Solve for x
    x = 151,911,618.98/10,351.20
  6. Step 6: Final answer
    x = 14,675.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.