Home / 7,984.01-11,017.09-4,627.87

Finding the Fourth Proportional to 7,984.01, 11,017.09 and 4,627.87

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Solution

The fourth proportional to 7,984.01, 11,017.09 and 4,627.87 is: 6,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.01 : 11,017.09 = 4,627.87 : x
  2. Step 2: Convert to fraction form
    7,984.01/11,017.09 = 4,627.87/x
  3. Step 3: Cross multiply
    7,984.01x = 11,017.09 × 4,627.87
  4. Step 4: Simplify right side
    7,984.01x = 50,985,637.16
  5. Step 5: Solve for x
    x = 50,985,637.16/7,984.01
  6. Step 6: Final answer
    x = 6,385.97

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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.