Home / 10,148.39-14,006.62-6,374.90

Finding the Fourth Proportional to 10,148.39, 14,006.62 and 6,374.90

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Solution

The fourth proportional to 10,148.39, 14,006.62 and 6,374.90 is: 8,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.39 : 14,006.62 = 6,374.90 : x
  2. Step 2: Convert to fraction form
    10,148.39/14,006.62 = 6,374.90/x
  3. Step 3: Cross multiply
    10,148.39x = 14,006.62 × 6,374.90
  4. Step 4: Simplify right side
    10,148.39x = 89,290,844.82
  5. Step 5: Solve for x
    x = 89,290,844.82/10,148.39
  6. Step 6: Final answer
    x = 8,798.52

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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.