Home / 8,055.03-11,115.59-4,869.10

Finding the Fourth Proportional to 8,055.03, 11,115.59 and 4,869.10

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Solution

The fourth proportional to 8,055.03, 11,115.59 and 4,869.10 is: 6,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.03 : 11,115.59 = 4,869.10 : x
  2. Step 2: Convert to fraction form
    8,055.03/11,115.59 = 4,869.10/x
  3. Step 3: Cross multiply
    8,055.03x = 11,115.59 × 4,869.10
  4. Step 4: Simplify right side
    8,055.03x = 54,122,919.27
  5. Step 5: Solve for x
    x = 54,122,919.27/8,055.03
  6. Step 6: Final answer
    x = 6,719.15

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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.