Home / 8,837.08-12,191.10-7,829.81

Finding the Fourth Proportional to 8,837.08, 12,191.10 and 7,829.81

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Solution

The fourth proportional to 8,837.08, 12,191.10 and 7,829.81 is: 10,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.08 : 12,191.10 = 7,829.81 : x
  2. Step 2: Convert to fraction form
    8,837.08/12,191.10 = 7,829.81/x
  3. Step 3: Cross multiply
    8,837.08x = 12,191.10 × 7,829.81
  4. Step 4: Simplify right side
    8,837.08x = 95,454,064.71
  5. Step 5: Solve for x
    x = 95,454,064.71/8,837.08
  6. Step 6: Final answer
    x = 10,801.54

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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.