Home / 10,541.52-15,817.80-6,842.88

Finding the Fourth Proportional to 10,541.52, 15,817.80 and 6,842.88

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Solution

The fourth proportional to 10,541.52, 15,817.80 and 6,842.88 is: 10,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.52 : 15,817.80 = 6,842.88 : x
  2. Step 2: Convert to fraction form
    10,541.52/15,817.80 = 6,842.88/x
  3. Step 3: Cross multiply
    10,541.52x = 15,817.80 × 6,842.88
  4. Step 4: Simplify right side
    10,541.52x = 108,239,307.26
  5. Step 5: Solve for x
    x = 108,239,307.26/10,541.52
  6. Step 6: Final answer
    x = 10,267.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.