Home / 10,492.12-15,739.80-3,565

Finding the Fourth Proportional to 10,492.12, 15,739.80 and 3,565

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Solution

The fourth proportional to 10,492.12, 15,739.80 and 3,565 is: 5,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.12 : 15,739.80 = 3,565 : x
  2. Step 2: Convert to fraction form
    10,492.12/15,739.80 = 3,565/x
  3. Step 3: Cross multiply
    10,492.12x = 15,739.80 × 3,565
  4. Step 4: Simplify right side
    10,492.12x = 56,112,387
  5. Step 5: Solve for x
    x = 56,112,387/10,492.12
  6. Step 6: Final answer
    x = 5,348.05

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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.