Home / 29,130.16-43,704.76-9,408.86

Finding the Fourth Proportional to 29,130.16, 43,704.76 and 9,408.86

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Solution

The fourth proportional to 29,130.16, 43,704.76 and 9,408.86 is: 14,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.16 : 43,704.76 = 9,408.86 : x
  2. Step 2: Convert to fraction form
    29,130.16/43,704.76 = 9,408.86/x
  3. Step 3: Cross multiply
    29,130.16x = 43,704.76 × 9,408.86
  4. Step 4: Simplify right side
    29,130.16x = 411,211,968.17
  5. Step 5: Solve for x
    x = 411,211,968.17/29,130.16
  6. Step 6: Final answer
    x = 14,116.36

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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.