Home / 10,251.39-15,347.16-7,795.83

Finding the Fourth Proportional to 10,251.39, 15,347.16 and 7,795.83

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Solution

The fourth proportional to 10,251.39, 15,347.16 and 7,795.83 is: 11,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.39 : 15,347.16 = 7,795.83 : x
  2. Step 2: Convert to fraction form
    10,251.39/15,347.16 = 7,795.83/x
  3. Step 3: Cross multiply
    10,251.39x = 15,347.16 × 7,795.83
  4. Step 4: Simplify right side
    10,251.39x = 119,643,850.34
  5. Step 5: Solve for x
    x = 119,643,850.34/10,251.39
  6. Step 6: Final answer
    x = 11,670.99

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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.