Home / 10,470.91-15,705.60-3,075.95

Finding the Fourth Proportional to 10,470.91, 15,705.60 and 3,075.95

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Solution

The fourth proportional to 10,470.91, 15,705.60 and 3,075.95 is: 4,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.91 : 15,705.60 = 3,075.95 : x
  2. Step 2: Convert to fraction form
    10,470.91/15,705.60 = 3,075.95/x
  3. Step 3: Cross multiply
    10,470.91x = 15,705.60 × 3,075.95
  4. Step 4: Simplify right side
    10,470.91x = 48,309,636.85
  5. Step 5: Solve for x
    x = 48,309,636.85/10,470.91
  6. Step 6: Final answer
    x = 4,613.70

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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.