Home / 10,116.08-15,170.84-3,875.76

Finding the Fourth Proportional to 10,116.08, 15,170.84 and 3,875.76

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Solution

The fourth proportional to 10,116.08, 15,170.84 and 3,875.76 is: 5,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.08 : 15,170.84 = 3,875.76 : x
  2. Step 2: Convert to fraction form
    10,116.08/15,170.84 = 3,875.76/x
  3. Step 3: Cross multiply
    10,116.08x = 15,170.84 × 3,875.76
  4. Step 4: Simplify right side
    10,116.08x = 58,798,534.84
  5. Step 5: Solve for x
    x = 58,798,534.84/10,116.08
  6. Step 6: Final answer
    x = 5,812.38

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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.