Home / 10,927.15-15,079.44-6,147.10

Finding the Fourth Proportional to 10,927.15, 15,079.44 and 6,147.10

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Solution

The fourth proportional to 10,927.15, 15,079.44 and 6,147.10 is: 8,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.15 : 15,079.44 = 6,147.10 : x
  2. Step 2: Convert to fraction form
    10,927.15/15,079.44 = 6,147.10/x
  3. Step 3: Cross multiply
    10,927.15x = 15,079.44 × 6,147.10
  4. Step 4: Simplify right side
    10,927.15x = 92,694,767.85
  5. Step 5: Solve for x
    x = 92,694,767.85/10,927.15
  6. Step 6: Final answer
    x = 8,482.98

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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.