Home / 11,583.04-15,979.90-7,099.08

Finding the Fourth Proportional to 11,583.04, 15,979.90 and 7,099.08

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Solution

The fourth proportional to 11,583.04, 15,979.90 and 7,099.08 is: 9,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.04 : 15,979.90 = 7,099.08 : x
  2. Step 2: Convert to fraction form
    11,583.04/15,979.90 = 7,099.08/x
  3. Step 3: Cross multiply
    11,583.04x = 15,979.90 × 7,099.08
  4. Step 4: Simplify right side
    11,583.04x = 113,442,588.49
  5. Step 5: Solve for x
    x = 113,442,588.49/11,583.04
  6. Step 6: Final answer
    x = 9,793.85

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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.