Home / 7,104.46-9,804.13-4,122.04

Finding the Fourth Proportional to 7,104.46, 9,804.13 and 4,122.04

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Solution

The fourth proportional to 7,104.46, 9,804.13 and 4,122.04 is: 5,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.46 : 9,804.13 = 4,122.04 : x
  2. Step 2: Convert to fraction form
    7,104.46/9,804.13 = 4,122.04/x
  3. Step 3: Cross multiply
    7,104.46x = 9,804.13 × 4,122.04
  4. Step 4: Simplify right side
    7,104.46x = 40,412,974.11
  5. Step 5: Solve for x
    x = 40,412,974.11/7,104.46
  6. Step 6: Final answer
    x = 5,688.40

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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.