Home / 11,545.13-17,328.63-5,705.84

Finding the Fourth Proportional to 11,545.13, 17,328.63 and 5,705.84

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Solution

The fourth proportional to 11,545.13, 17,328.63 and 5,705.84 is: 8,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.13 : 17,328.63 = 5,705.84 : x
  2. Step 2: Convert to fraction form
    11,545.13/17,328.63 = 5,705.84/x
  3. Step 3: Cross multiply
    11,545.13x = 17,328.63 × 5,705.84
  4. Step 4: Simplify right side
    11,545.13x = 98,874,454.92
  5. Step 5: Solve for x
    x = 98,874,454.92/11,545.13
  6. Step 6: Final answer
    x = 8,564.17

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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.