Home / 8,858.18-12,224.66-5,082.40

Finding the Fourth Proportional to 8,858.18, 12,224.66 and 5,082.40

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Solution

The fourth proportional to 8,858.18, 12,224.66 and 5,082.40 is: 7,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.18 : 12,224.66 = 5,082.40 : x
  2. Step 2: Convert to fraction form
    8,858.18/12,224.66 = 5,082.40/x
  3. Step 3: Cross multiply
    8,858.18x = 12,224.66 × 5,082.40
  4. Step 4: Simplify right side
    8,858.18x = 62,130,611.98
  5. Step 5: Solve for x
    x = 62,130,611.98/8,858.18
  6. Step 6: Final answer
    x = 7,013.93

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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.