Home / 10,545.75-14,553.38-6,826.23

Finding the Fourth Proportional to 10,545.75, 14,553.38 and 6,826.23

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Solution

The fourth proportional to 10,545.75, 14,553.38 and 6,826.23 is: 9,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.75 : 14,553.38 = 6,826.23 : x
  2. Step 2: Convert to fraction form
    10,545.75/14,553.38 = 6,826.23/x
  3. Step 3: Cross multiply
    10,545.75x = 14,553.38 × 6,826.23
  4. Step 4: Simplify right side
    10,545.75x = 99,344,685.03
  5. Step 5: Solve for x
    x = 99,344,685.03/10,545.75
  6. Step 6: Final answer
    x = 9,420.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.