Home / 8,775.24-12,109.28-4,998.35

Finding the Fourth Proportional to 8,775.24, 12,109.28 and 4,998.35

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Solution

The fourth proportional to 8,775.24, 12,109.28 and 4,998.35 is: 6,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.24 : 12,109.28 = 4,998.35 : x
  2. Step 2: Convert to fraction form
    8,775.24/12,109.28 = 4,998.35/x
  3. Step 3: Cross multiply
    8,775.24x = 12,109.28 × 4,998.35
  4. Step 4: Simplify right side
    8,775.24x = 60,526,334.15
  5. Step 5: Solve for x
    x = 60,526,334.15/8,775.24
  6. Step 6: Final answer
    x = 6,897.40

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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.