Home / 8,810.17-12,154.70-5,623.59

Finding the Fourth Proportional to 8,810.17, 12,154.70 and 5,623.59

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Solution

The fourth proportional to 8,810.17, 12,154.70 and 5,623.59 is: 7,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.17 : 12,154.70 = 5,623.59 : x
  2. Step 2: Convert to fraction form
    8,810.17/12,154.70 = 5,623.59/x
  3. Step 3: Cross multiply
    8,810.17x = 12,154.70 × 5,623.59
  4. Step 4: Simplify right side
    8,810.17x = 68,352,975.67
  5. Step 5: Solve for x
    x = 68,352,975.67/8,810.17
  6. Step 6: Final answer
    x = 7,758.42

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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.