Home / 9,820.68-13,545.55-6,038.90

Finding the Fourth Proportional to 9,820.68, 13,545.55 and 6,038.90

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Solution

The fourth proportional to 9,820.68, 13,545.55 and 6,038.90 is: 8,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.68 : 13,545.55 = 6,038.90 : x
  2. Step 2: Convert to fraction form
    9,820.68/13,545.55 = 6,038.90/x
  3. Step 3: Cross multiply
    9,820.68x = 13,545.55 × 6,038.90
  4. Step 4: Simplify right side
    9,820.68x = 81,800,221.90
  5. Step 5: Solve for x
    x = 81,800,221.90/9,820.68
  6. Step 6: Final answer
    x = 8,329.38

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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.