Home / 9,400.40-14,061.72-8,545.04

Finding the Fourth Proportional to 9,400.40, 14,061.72 and 8,545.04

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Solution

The fourth proportional to 9,400.40, 14,061.72 and 8,545.04 is: 12,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.40 : 14,061.72 = 8,545.04 : x
  2. Step 2: Convert to fraction form
    9,400.40/14,061.72 = 8,545.04/x
  3. Step 3: Cross multiply
    9,400.40x = 14,061.72 × 8,545.04
  4. Step 4: Simplify right side
    9,400.40x = 120,157,959.87
  5. Step 5: Solve for x
    x = 120,157,959.87/9,400.40
  6. Step 6: Final answer
    x = 12,782.22

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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.