Home / 10,870.44-15,000.36-6,155.46

Finding the Fourth Proportional to 10,870.44, 15,000.36 and 6,155.46

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Solution

The fourth proportional to 10,870.44, 15,000.36 and 6,155.46 is: 8,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.44 : 15,000.36 = 6,155.46 : x
  2. Step 2: Convert to fraction form
    10,870.44/15,000.36 = 6,155.46/x
  3. Step 3: Cross multiply
    10,870.44x = 15,000.36 × 6,155.46
  4. Step 4: Simplify right side
    10,870.44x = 92,334,115.97
  5. Step 5: Solve for x
    x = 92,334,115.97/10,870.44
  6. Step 6: Final answer
    x = 8,494.06

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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.