Home / 8,545.44-11,775.20-6,303.76

Finding the Fourth Proportional to 8,545.44, 11,775.20 and 6,303.76

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Solution

The fourth proportional to 8,545.44, 11,775.20 and 6,303.76 is: 8,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.44 : 11,775.20 = 6,303.76 : x
  2. Step 2: Convert to fraction form
    8,545.44/11,775.20 = 6,303.76/x
  3. Step 3: Cross multiply
    8,545.44x = 11,775.20 × 6,303.76
  4. Step 4: Simplify right side
    8,545.44x = 74,228,034.75
  5. Step 5: Solve for x
    x = 74,228,034.75/8,545.44
  6. Step 6: Final answer
    x = 8,686.27

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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.