Home / 9,511.20-13,125.33-5,262.51

Finding the Fourth Proportional to 9,511.20, 13,125.33 and 5,262.51

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Solution

The fourth proportional to 9,511.20, 13,125.33 and 5,262.51 is: 7,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.20 : 13,125.33 = 5,262.51 : x
  2. Step 2: Convert to fraction form
    9,511.20/13,125.33 = 5,262.51/x
  3. Step 3: Cross multiply
    9,511.20x = 13,125.33 × 5,262.51
  4. Step 4: Simplify right side
    9,511.20x = 69,072,180.38
  5. Step 5: Solve for x
    x = 69,072,180.38/9,511.20
  6. Step 6: Final answer
    x = 7,262.19

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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.