Home / 11,040.57-15,235.47-6,260.45

Finding the Fourth Proportional to 11,040.57, 15,235.47 and 6,260.45

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Solution

The fourth proportional to 11,040.57, 15,235.47 and 6,260.45 is: 8,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.57 : 15,235.47 = 6,260.45 : x
  2. Step 2: Convert to fraction form
    11,040.57/15,235.47 = 6,260.45/x
  3. Step 3: Cross multiply
    11,040.57x = 15,235.47 × 6,260.45
  4. Step 4: Simplify right side
    11,040.57x = 95,380,821.98
  5. Step 5: Solve for x
    x = 95,380,821.98/11,040.57
  6. Step 6: Final answer
    x = 8,639.12

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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.