Home / 7,192.18-9,930.12-4,504.48

Finding the Fourth Proportional to 7,192.18, 9,930.12 and 4,504.48

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Solution

The fourth proportional to 7,192.18, 9,930.12 and 4,504.48 is: 6,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.18 : 9,930.12 = 4,504.48 : x
  2. Step 2: Convert to fraction form
    7,192.18/9,930.12 = 4,504.48/x
  3. Step 3: Cross multiply
    7,192.18x = 9,930.12 × 4,504.48
  4. Step 4: Simplify right side
    7,192.18x = 44,730,026.94
  5. Step 5: Solve for x
    x = 44,730,026.94/7,192.18
  6. Step 6: Final answer
    x = 6,219.26

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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.