Home / 10,083.30-15,116.85-3,509.34

Finding the Fourth Proportional to 10,083.30, 15,116.85 and 3,509.34

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Solution

The fourth proportional to 10,083.30, 15,116.85 and 3,509.34 is: 5,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.30 : 15,116.85 = 3,509.34 : x
  2. Step 2: Convert to fraction form
    10,083.30/15,116.85 = 3,509.34/x
  3. Step 3: Cross multiply
    10,083.30x = 15,116.85 × 3,509.34
  4. Step 4: Simplify right side
    10,083.30x = 53,050,166.38
  5. Step 5: Solve for x
    x = 53,050,166.38/10,083.30
  6. Step 6: Final answer
    x = 5,261.19

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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.