Home / 9,511.12-13,125.13-5,262.54

Finding the Fourth Proportional to 9,511.12, 13,125.13 and 5,262.54

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Solution

The fourth proportional to 9,511.12, 13,125.13 and 5,262.54 is: 7,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.12 : 13,125.13 = 5,262.54 : x
  2. Step 2: Convert to fraction form
    9,511.12/13,125.13 = 5,262.54/x
  3. Step 3: Cross multiply
    9,511.12x = 13,125.13 × 5,262.54
  4. Step 4: Simplify right side
    9,511.12x = 69,071,521.63
  5. Step 5: Solve for x
    x = 69,071,521.63/9,511.12
  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.