Home / 10,861.04-14,989.84-6,882.52

Finding the Fourth Proportional to 10,861.04, 14,989.84 and 6,882.52

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Solution

The fourth proportional to 10,861.04, 14,989.84 and 6,882.52 is: 9,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.04 : 14,989.84 = 6,882.52 : x
  2. Step 2: Convert to fraction form
    10,861.04/14,989.84 = 6,882.52/x
  3. Step 3: Cross multiply
    10,861.04x = 14,989.84 × 6,882.52
  4. Step 4: Simplify right side
    10,861.04x = 103,167,873.60
  5. Step 5: Solve for x
    x = 103,167,873.60/10,861.04
  6. Step 6: Final answer
    x = 9,498.89

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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.