Home / 12,239.02-16,883.74-9,545.37

Finding the Fourth Proportional to 12,239.02, 16,883.74 and 9,545.37

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Solution

The fourth proportional to 12,239.02, 16,883.74 and 9,545.37 is: 13,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.02 : 16,883.74 = 9,545.37 : x
  2. Step 2: Convert to fraction form
    12,239.02/16,883.74 = 9,545.37/x
  3. Step 3: Cross multiply
    12,239.02x = 16,883.74 × 9,545.37
  4. Step 4: Simplify right side
    12,239.02x = 161,161,545.28
  5. Step 5: Solve for x
    x = 161,161,545.28/12,239.02
  6. Step 6: Final answer
    x = 13,167.85

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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.