Home / 8,599.72-11,875.68-5,580.04

Finding the Fourth Proportional to 8,599.72, 11,875.68 and 5,580.04

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Solution

The fourth proportional to 8,599.72, 11,875.68 and 5,580.04 is: 7,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.72 : 11,875.68 = 5,580.04 : x
  2. Step 2: Convert to fraction form
    8,599.72/11,875.68 = 5,580.04/x
  3. Step 3: Cross multiply
    8,599.72x = 11,875.68 × 5,580.04
  4. Step 4: Simplify right side
    8,599.72x = 66,266,769.43
  5. Step 5: Solve for x
    x = 66,266,769.43/8,599.72
  6. Step 6: Final answer
    x = 7,705.69

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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.