Home / 12,437.36-17,163.60-6,848.40

Finding the Fourth Proportional to 12,437.36, 17,163.60 and 6,848.40

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Solution

The fourth proportional to 12,437.36, 17,163.60 and 6,848.40 is: 9,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.36 : 17,163.60 = 6,848.40 : x
  2. Step 2: Convert to fraction form
    12,437.36/17,163.60 = 6,848.40/x
  3. Step 3: Cross multiply
    12,437.36x = 17,163.60 × 6,848.40
  4. Step 4: Simplify right side
    12,437.36x = 117,543,198.24
  5. Step 5: Solve for x
    x = 117,543,198.24/12,437.36
  6. Step 6: Final answer
    x = 9,450.82

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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.