Home / 10,106.16-15,157.56-2,711.40

Finding the Fourth Proportional to 10,106.16, 15,157.56 and 2,711.40

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Solution

The fourth proportional to 10,106.16, 15,157.56 and 2,711.40 is: 4,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.16 : 15,157.56 = 2,711.40 : x
  2. Step 2: Convert to fraction form
    10,106.16/15,157.56 = 2,711.40/x
  3. Step 3: Cross multiply
    10,106.16x = 15,157.56 × 2,711.40
  4. Step 4: Simplify right side
    10,106.16x = 41,098,208.18
  5. Step 5: Solve for x
    x = 41,098,208.18/10,106.16
  6. Step 6: Final answer
    x = 4,066.65

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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.