Home / 8,810.33-12,154.86-5,623.74

Finding the Fourth Proportional to 8,810.33, 12,154.86 and 5,623.74

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Solution

The fourth proportional to 8,810.33, 12,154.86 and 5,623.74 is: 7,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.33 : 12,154.86 = 5,623.74 : x
  2. Step 2: Convert to fraction form
    8,810.33/12,154.86 = 5,623.74/x
  3. Step 3: Cross multiply
    8,810.33x = 12,154.86 × 5,623.74
  4. Step 4: Simplify right side
    8,810.33x = 68,355,772.38
  5. Step 5: Solve for x
    x = 68,355,772.38/8,810.33
  6. Step 6: Final answer
    x = 7,758.59

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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.