Home / 7,962.13-10,984.66-5,129.11

Finding the Fourth Proportional to 7,962.13, 10,984.66 and 5,129.11

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Solution

The fourth proportional to 7,962.13, 10,984.66 and 5,129.11 is: 7,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.13 : 10,984.66 = 5,129.11 : x
  2. Step 2: Convert to fraction form
    7,962.13/10,984.66 = 5,129.11/x
  3. Step 3: Cross multiply
    7,962.13x = 10,984.66 × 5,129.11
  4. Step 4: Simplify right side
    7,962.13x = 56,341,529.45
  5. Step 5: Solve for x
    x = 56,341,529.45/7,962.13
  6. Step 6: Final answer
    x = 7,076.19

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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.