Home / 9,271.38-12,794.51-5,079.63

Finding the Fourth Proportional to 9,271.38, 12,794.51 and 5,079.63

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Solution

The fourth proportional to 9,271.38, 12,794.51 and 5,079.63 is: 7,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.38 : 12,794.51 = 5,079.63 : x
  2. Step 2: Convert to fraction form
    9,271.38/12,794.51 = 5,079.63/x
  3. Step 3: Cross multiply
    9,271.38x = 12,794.51 × 5,079.63
  4. Step 4: Simplify right side
    9,271.38x = 64,991,376.83
  5. Step 5: Solve for x
    x = 64,991,376.83/9,271.38
  6. Step 6: Final answer
    x = 7,009.89

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Double scale
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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.