Home / 6,677.04-9,215-4,815.12

Finding the Fourth Proportional to 6,677.04, 9,215 and 4,815.12

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Solution

The fourth proportional to 6,677.04, 9,215 and 4,815.12 is: 6,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.04 : 9,215 = 4,815.12 : x
  2. Step 2: Convert to fraction form
    6,677.04/9,215 = 4,815.12/x
  3. Step 3: Cross multiply
    6,677.04x = 9,215 × 4,815.12
  4. Step 4: Simplify right side
    6,677.04x = 44,371,330.80
  5. Step 5: Solve for x
    x = 44,371,330.80/6,677.04
  6. Step 6: Final answer
    x = 6,645.36

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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.