Home / 10,349.12-15,525.67-4,107.90

Finding the Fourth Proportional to 10,349.12, 15,525.67 and 4,107.90

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Solution

The fourth proportional to 10,349.12, 15,525.67 and 4,107.90 is: 6,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.12 : 15,525.67 = 4,107.90 : x
  2. Step 2: Convert to fraction form
    10,349.12/15,525.67 = 4,107.90/x
  3. Step 3: Cross multiply
    10,349.12x = 15,525.67 × 4,107.90
  4. Step 4: Simplify right side
    10,349.12x = 63,777,899.79
  5. Step 5: Solve for x
    x = 63,777,899.79/10,349.12
  6. Step 6: Final answer
    x = 6,162.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.