Home / 10,816.60-14,927.10-6,343.57

Finding the Fourth Proportional to 10,816.60, 14,927.10 and 6,343.57

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Solution

The fourth proportional to 10,816.60, 14,927.10 and 6,343.57 is: 8,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.60 : 14,927.10 = 6,343.57 : x
  2. Step 2: Convert to fraction form
    10,816.60/14,927.10 = 6,343.57/x
  3. Step 3: Cross multiply
    10,816.60x = 14,927.10 × 6,343.57
  4. Step 4: Simplify right side
    10,816.60x = 94,691,103.75
  5. Step 5: Solve for x
    x = 94,691,103.75/10,816.60
  6. Step 6: Final answer
    x = 8,754.24

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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.