Home / 11,025.79-15,215.60-5,990.01

Finding the Fourth Proportional to 11,025.79, 15,215.60 and 5,990.01

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Solution

The fourth proportional to 11,025.79, 15,215.60 and 5,990.01 is: 8,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.79 : 15,215.60 = 5,990.01 : x
  2. Step 2: Convert to fraction form
    11,025.79/15,215.60 = 5,990.01/x
  3. Step 3: Cross multiply
    11,025.79x = 15,215.60 × 5,990.01
  4. Step 4: Simplify right side
    11,025.79x = 91,141,531.61
  5. Step 5: Solve for x
    x = 91,141,531.61/11,025.79
  6. Step 6: Final answer
    x = 8,266.22

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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.