Home / 9,511.79-13,125.12-5,262.29

Finding the Fourth Proportional to 9,511.79, 13,125.12 and 5,262.29

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Solution

The fourth proportional to 9,511.79, 13,125.12 and 5,262.29 is: 7,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.79 : 13,125.12 = 5,262.29 : x
  2. Step 2: Convert to fraction form
    9,511.79/13,125.12 = 5,262.29/x
  3. Step 3: Cross multiply
    9,511.79x = 13,125.12 × 5,262.29
  4. Step 4: Simplify right side
    9,511.79x = 69,068,122.10
  5. Step 5: Solve for x
    x = 69,068,122.10/9,511.79
  6. Step 6: Final answer
    x = 7,261.32

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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.