Home / 8,045.28-11,105.40-5,019.02

Finding the Fourth Proportional to 8,045.28, 11,105.40 and 5,019.02

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Solution

The fourth proportional to 8,045.28, 11,105.40 and 5,019.02 is: 6,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.28 : 11,105.40 = 5,019.02 : x
  2. Step 2: Convert to fraction form
    8,045.28/11,105.40 = 5,019.02/x
  3. Step 3: Cross multiply
    8,045.28x = 11,105.40 × 5,019.02
  4. Step 4: Simplify right side
    8,045.28x = 55,738,224.71
  5. Step 5: Solve for x
    x = 55,738,224.71/8,045.28
  6. Step 6: Final answer
    x = 6,928.07

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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.