Home / 10,363.80-15,545.70-7,247.33

Finding the Fourth Proportional to 10,363.80, 15,545.70 and 7,247.33

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Solution

The fourth proportional to 10,363.80, 15,545.70 and 7,247.33 is: 10,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.80 : 15,545.70 = 7,247.33 : x
  2. Step 2: Convert to fraction form
    10,363.80/15,545.70 = 7,247.33/x
  3. Step 3: Cross multiply
    10,363.80x = 15,545.70 × 7,247.33
  4. Step 4: Simplify right side
    10,363.80x = 112,664,740.25
  5. Step 5: Solve for x
    x = 112,664,740.25/10,363.80
  6. Step 6: Final answer
    x = 10,870.99

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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.