Home / 10,505.16-15,756.52-2,713.36

Finding the Fourth Proportional to 10,505.16, 15,756.52 and 2,713.36

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Solution

The fourth proportional to 10,505.16, 15,756.52 and 2,713.36 is: 4,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.16 : 15,756.52 = 2,713.36 : x
  2. Step 2: Convert to fraction form
    10,505.16/15,756.52 = 2,713.36/x
  3. Step 3: Cross multiply
    10,505.16x = 15,756.52 × 2,713.36
  4. Step 4: Simplify right side
    10,505.16x = 42,753,111.11
  5. Step 5: Solve for x
    x = 42,753,111.11/10,505.16
  6. Step 6: Final answer
    x = 4,069.72

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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.