Home / 10,361.02-15,538.11-4,122.58

Finding the Fourth Proportional to 10,361.02, 15,538.11 and 4,122.58

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Solution

The fourth proportional to 10,361.02, 15,538.11 and 4,122.58 is: 6,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.02 : 15,538.11 = 4,122.58 : x
  2. Step 2: Convert to fraction form
    10,361.02/15,538.11 = 4,122.58/x
  3. Step 3: Cross multiply
    10,361.02x = 15,538.11 × 4,122.58
  4. Step 4: Simplify right side
    10,361.02x = 64,057,101.52
  5. Step 5: Solve for x
    x = 64,057,101.52/10,361.02
  6. Step 6: Final answer
    x = 6,182.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.