Home / 7,418.18-10,237.12-4,274.30

Finding the Fourth Proportional to 7,418.18, 10,237.12 and 4,274.30

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Solution

The fourth proportional to 7,418.18, 10,237.12 and 4,274.30 is: 5,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.18 : 10,237.12 = 4,274.30 : x
  2. Step 2: Convert to fraction form
    7,418.18/10,237.12 = 4,274.30/x
  3. Step 3: Cross multiply
    7,418.18x = 10,237.12 × 4,274.30
  4. Step 4: Simplify right side
    7,418.18x = 43,756,522.02
  5. Step 5: Solve for x
    x = 43,756,522.02/7,418.18
  6. Step 6: Final answer
    x = 5,898.55

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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.