Home / 7,490.16-11,234.16-1,943.52

Finding the Fourth Proportional to 7,490.16, 11,234.16 and 1,943.52

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Solution

The fourth proportional to 7,490.16, 11,234.16 and 1,943.52 is: 2,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.16 : 11,234.16 = 1,943.52 : x
  2. Step 2: Convert to fraction form
    7,490.16/11,234.16 = 1,943.52/x
  3. Step 3: Cross multiply
    7,490.16x = 11,234.16 × 1,943.52
  4. Step 4: Simplify right side
    7,490.16x = 21,833,814.64
  5. Step 5: Solve for x
    x = 21,833,814.64/7,490.16
  6. Step 6: Final answer
    x = 2,915.00

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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.