Home / 10,455.04-15,677.70-3,881.08

Finding the Fourth Proportional to 10,455.04, 15,677.70 and 3,881.08

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Solution

The fourth proportional to 10,455.04, 15,677.70 and 3,881.08 is: 5,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.04 : 15,677.70 = 3,881.08 : x
  2. Step 2: Convert to fraction form
    10,455.04/15,677.70 = 3,881.08/x
  3. Step 3: Cross multiply
    10,455.04x = 15,677.70 × 3,881.08
  4. Step 4: Simplify right side
    10,455.04x = 60,846,407.92
  5. Step 5: Solve for x
    x = 60,846,407.92/10,455.04
  6. Step 6: Final answer
    x = 5,819.82

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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.