Home / 10,589.15-15,885.77-5,045.11

Finding the Fourth Proportional to 10,589.15, 15,885.77 and 5,045.11

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Solution

The fourth proportional to 10,589.15, 15,885.77 and 5,045.11 is: 7,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.15 : 15,885.77 = 5,045.11 : x
  2. Step 2: Convert to fraction form
    10,589.15/15,885.77 = 5,045.11/x
  3. Step 3: Cross multiply
    10,589.15x = 15,885.77 × 5,045.11
  4. Step 4: Simplify right side
    10,589.15x = 80,145,392.14
  5. Step 5: Solve for x
    x = 80,145,392.14/10,589.15
  6. Step 6: Final answer
    x = 7,568.63

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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.