Home / 10,371.78-14,312.70-5,895.72

Finding the Fourth Proportional to 10,371.78, 14,312.70 and 5,895.72

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Solution

The fourth proportional to 10,371.78, 14,312.70 and 5,895.72 is: 8,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.78 : 14,312.70 = 5,895.72 : x
  2. Step 2: Convert to fraction form
    10,371.78/14,312.70 = 5,895.72/x
  3. Step 3: Cross multiply
    10,371.78x = 14,312.70 × 5,895.72
  4. Step 4: Simplify right side
    10,371.78x = 84,383,671.64
  5. Step 5: Solve for x
    x = 84,383,671.64/10,371.78
  6. Step 6: Final answer
    x = 8,135.89

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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.