Home / 10,477.04-15,716.28-3,081.68

Finding the Fourth Proportional to 10,477.04, 15,716.28 and 3,081.68

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Solution

The fourth proportional to 10,477.04, 15,716.28 and 3,081.68 is: 4,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.04 : 15,716.28 = 3,081.68 : x
  2. Step 2: Convert to fraction form
    10,477.04/15,716.28 = 3,081.68/x
  3. Step 3: Cross multiply
    10,477.04x = 15,716.28 × 3,081.68
  4. Step 4: Simplify right side
    10,477.04x = 48,432,545.75
  5. Step 5: Solve for x
    x = 48,432,545.75/10,477.04
  6. Step 6: Final answer
    x = 4,622.73

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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.