Home / 10,159.04-15,232.98-3,137.12

Finding the Fourth Proportional to 10,159.04, 15,232.98 and 3,137.12

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Solution

The fourth proportional to 10,159.04, 15,232.98 and 3,137.12 is: 4,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.04 : 15,232.98 = 3,137.12 : x
  2. Step 2: Convert to fraction form
    10,159.04/15,232.98 = 3,137.12/x
  3. Step 3: Cross multiply
    10,159.04x = 15,232.98 × 3,137.12
  4. Step 4: Simplify right side
    10,159.04x = 47,787,661.29
  5. Step 5: Solve for x
    x = 47,787,661.29/10,159.04
  6. Step 6: Final answer
    x = 4,703.95

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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.