Home / 6,920.04-9,548.10-6,330.36

Finding the Fourth Proportional to 6,920.04, 9,548.10 and 6,330.36

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Solution

The fourth proportional to 6,920.04, 9,548.10 and 6,330.36 is: 8,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.04 : 9,548.10 = 6,330.36 : x
  2. Step 2: Convert to fraction form
    6,920.04/9,548.10 = 6,330.36/x
  3. Step 3: Cross multiply
    6,920.04x = 9,548.10 × 6,330.36
  4. Step 4: Simplify right side
    6,920.04x = 60,442,910.32
  5. Step 5: Solve for x
    x = 60,442,910.32/6,920.04
  6. Step 6: Final answer
    x = 8,734.47

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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.