Home / 10,146.72-14,011.38-6,376.42

Finding the Fourth Proportional to 10,146.72, 14,011.38 and 6,376.42

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Solution

The fourth proportional to 10,146.72, 14,011.38 and 6,376.42 is: 8,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.72 : 14,011.38 = 6,376.42 : x
  2. Step 2: Convert to fraction form
    10,146.72/14,011.38 = 6,376.42/x
  3. Step 3: Cross multiply
    10,146.72x = 14,011.38 × 6,376.42
  4. Step 4: Simplify right side
    10,146.72x = 89,342,408.63
  5. Step 5: Solve for x
    x = 89,342,408.63/10,146.72
  6. Step 6: Final answer
    x = 8,805.05

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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.