Home / 11,545.32-17,317.28-3,225.80

Finding the Fourth Proportional to 11,545.32, 17,317.28 and 3,225.80

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Solution

The fourth proportional to 11,545.32, 17,317.28 and 3,225.80 is: 4,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.32 : 17,317.28 = 3,225.80 : x
  2. Step 2: Convert to fraction form
    11,545.32/17,317.28 = 3,225.80/x
  3. Step 3: Cross multiply
    11,545.32x = 17,317.28 × 3,225.80
  4. Step 4: Simplify right side
    11,545.32x = 55,862,081.82
  5. Step 5: Solve for x
    x = 55,862,081.82/11,545.32
  6. Step 6: Final answer
    x = 4,838.50

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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.