Home / 10,345.66-15,520.91-2,950.23

Finding the Fourth Proportional to 10,345.66, 15,520.91 and 2,950.23

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Solution

The fourth proportional to 10,345.66, 15,520.91 and 2,950.23 is: 4,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.66 : 15,520.91 = 2,950.23 : x
  2. Step 2: Convert to fraction form
    10,345.66/15,520.91 = 2,950.23/x
  3. Step 3: Cross multiply
    10,345.66x = 15,520.91 × 2,950.23
  4. Step 4: Simplify right side
    10,345.66x = 45,790,254.31
  5. Step 5: Solve for x
    x = 45,790,254.31/10,345.66
  6. Step 6: Final answer
    x = 4,426.04

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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.