Home / 9,130.36-12,606.06-5,991.88

Finding the Fourth Proportional to 9,130.36, 12,606.06 and 5,991.88

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Solution

The fourth proportional to 9,130.36, 12,606.06 and 5,991.88 is: 8,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.36 : 12,606.06 = 5,991.88 : x
  2. Step 2: Convert to fraction form
    9,130.36/12,606.06 = 5,991.88/x
  3. Step 3: Cross multiply
    9,130.36x = 12,606.06 × 5,991.88
  4. Step 4: Simplify right side
    9,130.36x = 75,533,998.79
  5. Step 5: Solve for x
    x = 75,533,998.79/9,130.36
  6. Step 6: Final answer
    x = 8,272.84

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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.