Home / 11,040.77-15,225.75-7,267.13

Finding the Fourth Proportional to 11,040.77, 15,225.75 and 7,267.13

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Solution

The fourth proportional to 11,040.77, 15,225.75 and 7,267.13 is: 10,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.77 : 15,225.75 = 7,267.13 : x
  2. Step 2: Convert to fraction form
    11,040.77/15,225.75 = 7,267.13/x
  3. Step 3: Cross multiply
    11,040.77x = 15,225.75 × 7,267.13
  4. Step 4: Simplify right side
    11,040.77x = 110,647,428.47
  5. Step 5: Solve for x
    x = 110,647,428.47/11,040.77
  6. Step 6: Final answer
    x = 10,021.72

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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.