Home / 8,072.53-11,139.47-4,535.05

Finding the Fourth Proportional to 8,072.53, 11,139.47 and 4,535.05

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Solution

The fourth proportional to 8,072.53, 11,139.47 and 4,535.05 is: 6,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.53 : 11,139.47 = 4,535.05 : x
  2. Step 2: Convert to fraction form
    8,072.53/11,139.47 = 4,535.05/x
  3. Step 3: Cross multiply
    8,072.53x = 11,139.47 × 4,535.05
  4. Step 4: Simplify right side
    8,072.53x = 50,518,053.42
  5. Step 5: Solve for x
    x = 50,518,053.42/8,072.53
  6. Step 6: Final answer
    x = 6,258.02

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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.