Home / 10,957.53-15,120.48-6,111.96

Finding the Fourth Proportional to 10,957.53, 15,120.48 and 6,111.96

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Solution

The fourth proportional to 10,957.53, 15,120.48 and 6,111.96 is: 8,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.53 : 15,120.48 = 6,111.96 : x
  2. Step 2: Convert to fraction form
    10,957.53/15,120.48 = 6,111.96/x
  3. Step 3: Cross multiply
    10,957.53x = 15,120.48 × 6,111.96
  4. Step 4: Simplify right side
    10,957.53x = 92,415,731.14
  5. Step 5: Solve for x
    x = 92,415,731.14/10,957.53
  6. Step 6: Final answer
    x = 8,433.99

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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.