Home / 9,192.26-12,683.11-5,415.13

Finding the Fourth Proportional to 9,192.26, 12,683.11 and 5,415.13

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Solution

The fourth proportional to 9,192.26, 12,683.11 and 5,415.13 is: 7,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.26 : 12,683.11 = 5,415.13 : x
  2. Step 2: Convert to fraction form
    9,192.26/12,683.11 = 5,415.13/x
  3. Step 3: Cross multiply
    9,192.26x = 12,683.11 × 5,415.13
  4. Step 4: Simplify right side
    9,192.26x = 68,680,689.45
  5. Step 5: Solve for x
    x = 68,680,689.45/9,192.26
  6. Step 6: Final answer
    x = 7,471.58

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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.