Home / 10,660.04-15,990.26-3,641.66

Finding the Fourth Proportional to 10,660.04, 15,990.26 and 3,641.66

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Solution

The fourth proportional to 10,660.04, 15,990.26 and 3,641.66 is: 5,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.04 : 15,990.26 = 3,641.66 : x
  2. Step 2: Convert to fraction form
    10,660.04/15,990.26 = 3,641.66/x
  3. Step 3: Cross multiply
    10,660.04x = 15,990.26 × 3,641.66
  4. Step 4: Simplify right side
    10,660.04x = 58,230,992.07
  5. Step 5: Solve for x
    x = 58,230,992.07/10,660.04
  6. Step 6: Final answer
    x = 5,462.55

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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.