Home / 10,279.30-15,394.09-5,883.43

Finding the Fourth Proportional to 10,279.30, 15,394.09 and 5,883.43

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Solution

The fourth proportional to 10,279.30, 15,394.09 and 5,883.43 is: 8,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.30 : 15,394.09 = 5,883.43 : x
  2. Step 2: Convert to fraction form
    10,279.30/15,394.09 = 5,883.43/x
  3. Step 3: Cross multiply
    10,279.30x = 15,394.09 × 5,883.43
  4. Step 4: Simplify right side
    10,279.30x = 90,570,050.93
  5. Step 5: Solve for x
    x = 90,570,050.93/10,279.30
  6. Step 6: Final answer
    x = 8,810.92

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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.