Home / 7,353.74-10,147.92-4,209.32

Finding the Fourth Proportional to 7,353.74, 10,147.92 and 4,209.32

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Solution

The fourth proportional to 7,353.74, 10,147.92 and 4,209.32 is: 5,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.74 : 10,147.92 = 4,209.32 : x
  2. Step 2: Convert to fraction form
    7,353.74/10,147.92 = 4,209.32/x
  3. Step 3: Cross multiply
    7,353.74x = 10,147.92 × 4,209.32
  4. Step 4: Simplify right side
    7,353.74x = 42,715,852.20
  5. Step 5: Solve for x
    x = 42,715,852.20/7,353.74
  6. Step 6: Final answer
    x = 5,808.72

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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.