Home / 12,437.55-17,163.50-6,772.41

Finding the Fourth Proportional to 12,437.55, 17,163.50 and 6,772.41

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Solution

The fourth proportional to 12,437.55, 17,163.50 and 6,772.41 is: 9,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.55 : 17,163.50 = 6,772.41 : x
  2. Step 2: Convert to fraction form
    12,437.55/17,163.50 = 6,772.41/x
  3. Step 3: Cross multiply
    12,437.55x = 17,163.50 × 6,772.41
  4. Step 4: Simplify right side
    12,437.55x = 116,238,225.17
  5. Step 5: Solve for x
    x = 116,238,225.17/12,437.55
  6. Step 6: Final answer
    x = 9,345.75

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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.