Home / 9,148.38-12,623.55-5,785.26

Finding the Fourth Proportional to 9,148.38, 12,623.55 and 5,785.26

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Solution

The fourth proportional to 9,148.38, 12,623.55 and 5,785.26 is: 7,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.38 : 12,623.55 = 5,785.26 : x
  2. Step 2: Convert to fraction form
    9,148.38/12,623.55 = 5,785.26/x
  3. Step 3: Cross multiply
    9,148.38x = 12,623.55 × 5,785.26
  4. Step 4: Simplify right side
    9,148.38x = 73,030,518.87
  5. Step 5: Solve for x
    x = 73,030,518.87/9,148.38
  6. Step 6: Final answer
    x = 7,982.89

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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.