Home / 11,437.12-17,156.88-3,644.08

Finding the Fourth Proportional to 11,437.12, 17,156.88 and 3,644.08

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Solution

The fourth proportional to 11,437.12, 17,156.88 and 3,644.08 is: 5,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.12 : 17,156.88 = 3,644.08 : x
  2. Step 2: Convert to fraction form
    11,437.12/17,156.88 = 3,644.08/x
  3. Step 3: Cross multiply
    11,437.12x = 17,156.88 × 3,644.08
  4. Step 4: Simplify right side
    11,437.12x = 62,521,043.27
  5. Step 5: Solve for x
    x = 62,521,043.27/11,437.12
  6. Step 6: Final answer
    x = 5,466.50

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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.