Home / 10,041.31-15,062.70-2,645.72

Finding the Fourth Proportional to 10,041.31, 15,062.70 and 2,645.72

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Solution

The fourth proportional to 10,041.31, 15,062.70 and 2,645.72 is: 3,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.31 : 15,062.70 = 2,645.72 : x
  2. Step 2: Convert to fraction form
    10,041.31/15,062.70 = 2,645.72/x
  3. Step 3: Cross multiply
    10,041.31x = 15,062.70 × 2,645.72
  4. Step 4: Simplify right side
    10,041.31x = 39,851,677.74
  5. Step 5: Solve for x
    x = 39,851,677.74/10,041.31
  6. Step 6: Final answer
    x = 3,968.77

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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.