Home / 7,352.12-10,146.12-4,209.32

Finding the Fourth Proportional to 7,352.12, 10,146.12 and 4,209.32

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Solution

The fourth proportional to 7,352.12, 10,146.12 and 4,209.32 is: 5,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.12 : 10,146.12 = 4,209.32 : x
  2. Step 2: Convert to fraction form
    7,352.12/10,146.12 = 4,209.32/x
  3. Step 3: Cross multiply
    7,352.12x = 10,146.12 × 4,209.32
  4. Step 4: Simplify right side
    7,352.12x = 42,708,265.84
  5. Step 5: Solve for x
    x = 42,708,265.84/7,352.12
  6. Step 6: Final answer
    x = 5,808.97

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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.