Home / 10,670.61-14,722.92-6,191.76

Finding the Fourth Proportional to 10,670.61, 14,722.92 and 6,191.76

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Solution

The fourth proportional to 10,670.61, 14,722.92 and 6,191.76 is: 8,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.61 : 14,722.92 = 6,191.76 : x
  2. Step 2: Convert to fraction form
    10,670.61/14,722.92 = 6,191.76/x
  3. Step 3: Cross multiply
    10,670.61x = 14,722.92 × 6,191.76
  4. Step 4: Simplify right side
    10,670.61x = 91,160,787.14
  5. Step 5: Solve for x
    x = 91,160,787.14/10,670.61
  6. Step 6: Final answer
    x = 8,543.17

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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.