Home / 10,927.46-15,079.74-6,147.05

Finding the Fourth Proportional to 10,927.46, 15,079.74 and 6,147.05

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Solution

The fourth proportional to 10,927.46, 15,079.74 and 6,147.05 is: 8,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.46 : 15,079.74 = 6,147.05 : x
  2. Step 2: Convert to fraction form
    10,927.46/15,079.74 = 6,147.05/x
  3. Step 3: Cross multiply
    10,927.46x = 15,079.74 × 6,147.05
  4. Step 4: Simplify right side
    10,927.46x = 92,695,817.32
  5. Step 5: Solve for x
    x = 92,695,817.32/10,927.46
  6. Step 6: Final answer
    x = 8,482.83

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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.