Home / 10,070.91-15,104.08-3,828.70

Finding the Fourth Proportional to 10,070.91, 15,104.08 and 3,828.70

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Solution

The fourth proportional to 10,070.91, 15,104.08 and 3,828.70 is: 5,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.91 : 15,104.08 = 3,828.70 : x
  2. Step 2: Convert to fraction form
    10,070.91/15,104.08 = 3,828.70/x
  3. Step 3: Cross multiply
    10,070.91x = 15,104.08 × 3,828.70
  4. Step 4: Simplify right side
    10,070.91x = 57,829,014.76
  5. Step 5: Solve for x
    x = 57,829,014.76/10,070.91
  6. Step 6: Final answer
    x = 5,742.18

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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.