Home / 9,428.55-14,142.82-2,408.58

Finding the Fourth Proportional to 9,428.55, 14,142.82 and 2,408.58

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Solution

The fourth proportional to 9,428.55, 14,142.82 and 2,408.58 is: 3,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.55 : 14,142.82 = 2,408.58 : x
  2. Step 2: Convert to fraction form
    9,428.55/14,142.82 = 2,408.58/x
  3. Step 3: Cross multiply
    9,428.55x = 14,142.82 × 2,408.58
  4. Step 4: Simplify right side
    9,428.55x = 34,064,088.46
  5. Step 5: Solve for x
    x = 34,064,088.46/9,428.55
  6. Step 6: Final answer
    x = 3,612.87

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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.