Home / 9,511.79-13,125.26-5,262.18

Finding the Fourth Proportional to 9,511.79, 13,125.26 and 5,262.18

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Solution

The fourth proportional to 9,511.79, 13,125.26 and 5,262.18 is: 7,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.79 : 13,125.26 = 5,262.18 : x
  2. Step 2: Convert to fraction form
    9,511.79/13,125.26 = 5,262.18/x
  3. Step 3: Cross multiply
    9,511.79x = 13,125.26 × 5,262.18
  4. Step 4: Simplify right side
    9,511.79x = 69,067,454.36
  5. Step 5: Solve for x
    x = 69,067,454.36/9,511.79
  6. Step 6: Final answer
    x = 7,261.25

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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.