Home / 10,342.35-14,272.53-6,149.79

Finding the Fourth Proportional to 10,342.35, 14,272.53 and 6,149.79

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Solution

The fourth proportional to 10,342.35, 14,272.53 and 6,149.79 is: 8,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.35 : 14,272.53 = 6,149.79 : x
  2. Step 2: Convert to fraction form
    10,342.35/14,272.53 = 6,149.79/x
  3. Step 3: Cross multiply
    10,342.35x = 14,272.53 × 6,149.79
  4. Step 4: Simplify right side
    10,342.35x = 87,773,062.27
  5. Step 5: Solve for x
    x = 87,773,062.27/10,342.35
  6. Step 6: Final answer
    x = 8,486.76

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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.