Home / 10,899.47-15,041.27-6,118.75

Finding the Fourth Proportional to 10,899.47, 15,041.27 and 6,118.75

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Solution

The fourth proportional to 10,899.47, 15,041.27 and 6,118.75 is: 8,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.47 : 15,041.27 = 6,118.75 : x
  2. Step 2: Convert to fraction form
    10,899.47/15,041.27 = 6,118.75/x
  3. Step 3: Cross multiply
    10,899.47x = 15,041.27 × 6,118.75
  4. Step 4: Simplify right side
    10,899.47x = 92,033,665.01
  5. Step 5: Solve for x
    x = 92,033,665.01/10,899.47
  6. Step 6: Final answer
    x = 8,443.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.