Home / 11,451.38-15,775.93-10,762.48

Finding the Fourth Proportional to 11,451.38, 15,775.93 and 10,762.48

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Solution

The fourth proportional to 11,451.38, 15,775.93 and 10,762.48 is: 14,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.38 : 15,775.93 = 10,762.48 : x
  2. Step 2: Convert to fraction form
    11,451.38/15,775.93 = 10,762.48/x
  3. Step 3: Cross multiply
    11,451.38x = 15,775.93 × 10,762.48
  4. Step 4: Simplify right side
    11,451.38x = 169,788,131.11
  5. Step 5: Solve for x
    x = 169,788,131.11/11,451.38
  6. Step 6: Final answer
    x = 14,826.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.