Home / 11,371.01-15,690.57-6,335

Finding the Fourth Proportional to 11,371.01, 15,690.57 and 6,335

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Solution

The fourth proportional to 11,371.01, 15,690.57 and 6,335 is: 8,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.01 : 15,690.57 = 6,335 : x
  2. Step 2: Convert to fraction form
    11,371.01/15,690.57 = 6,335/x
  3. Step 3: Cross multiply
    11,371.01x = 15,690.57 × 6,335
  4. Step 4: Simplify right side
    11,371.01x = 99,399,760.95
  5. Step 5: Solve for x
    x = 99,399,760.95/11,371.01
  6. Step 6: Final answer
    x = 8,741.51

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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.