Home / 11,490.46-17,235.61-4,095.18

Finding the Fourth Proportional to 11,490.46, 17,235.61 and 4,095.18

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Solution

The fourth proportional to 11,490.46, 17,235.61 and 4,095.18 is: 6,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.46 : 17,235.61 = 4,095.18 : x
  2. Step 2: Convert to fraction form
    11,490.46/17,235.61 = 4,095.18/x
  3. Step 3: Cross multiply
    11,490.46x = 17,235.61 × 4,095.18
  4. Step 4: Simplify right side
    11,490.46x = 70,582,915.12
  5. Step 5: Solve for x
    x = 70,582,915.12/11,490.46
  6. Step 6: Final answer
    x = 6,142.74

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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.