Home / 8,155.02-11,253.90-4,429.02

Finding the Fourth Proportional to 8,155.02, 11,253.90 and 4,429.02

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Solution

The fourth proportional to 8,155.02, 11,253.90 and 4,429.02 is: 6,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.02 : 11,253.90 = 4,429.02 : x
  2. Step 2: Convert to fraction form
    8,155.02/11,253.90 = 4,429.02/x
  3. Step 3: Cross multiply
    8,155.02x = 11,253.90 × 4,429.02
  4. Step 4: Simplify right side
    8,155.02x = 49,843,748.18
  5. Step 5: Solve for x
    x = 49,843,748.18/8,155.02
  6. Step 6: Final answer
    x = 6,112.03

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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.