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Finding the Fourth Proportional to 10,842.68, 14,962.76 and 6,365.66

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Solution

The fourth proportional to 10,842.68, 14,962.76 and 6,365.66 is: 8,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.68 : 14,962.76 = 6,365.66 : x
  2. Step 2: Convert to fraction form
    10,842.68/14,962.76 = 6,365.66/x
  3. Step 3: Cross multiply
    10,842.68x = 14,962.76 × 6,365.66
  4. Step 4: Simplify right side
    10,842.68x = 95,247,842.82
  5. Step 5: Solve for x
    x = 95,247,842.82/10,842.68
  6. Step 6: Final answer
    x = 8,784.53

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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.