Home / 10,235.40-15,342.30-5,843.40

Finding the Fourth Proportional to 10,235.40, 15,342.30 and 5,843.40

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Solution

The fourth proportional to 10,235.40, 15,342.30 and 5,843.40 is: 8,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.40 : 15,342.30 = 5,843.40 : x
  2. Step 2: Convert to fraction form
    10,235.40/15,342.30 = 5,843.40/x
  3. Step 3: Cross multiply
    10,235.40x = 15,342.30 × 5,843.40
  4. Step 4: Simplify right side
    10,235.40x = 89,651,195.82
  5. Step 5: Solve for x
    x = 89,651,195.82/10,235.40
  6. Step 6: Final answer
    x = 8,758.93

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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.