Home / 10,071.88-15,107.84-4,235.04

Finding the Fourth Proportional to 10,071.88, 15,107.84 and 4,235.04

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Solution

The fourth proportional to 10,071.88, 15,107.84 and 4,235.04 is: 6,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.88 : 15,107.84 = 4,235.04 : x
  2. Step 2: Convert to fraction form
    10,071.88/15,107.84 = 4,235.04/x
  3. Step 3: Cross multiply
    10,071.88x = 15,107.84 × 4,235.04
  4. Step 4: Simplify right side
    10,071.88x = 63,982,306.71
  5. Step 5: Solve for x
    x = 63,982,306.71/10,071.88
  6. Step 6: Final answer
    x = 6,352.57

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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.