Home / 12,182.48-16,812.60-6,875.36

Finding the Fourth Proportional to 12,182.48, 16,812.60 and 6,875.36

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Solution

The fourth proportional to 12,182.48, 16,812.60 and 6,875.36 is: 9,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.48 : 16,812.60 = 6,875.36 : x
  2. Step 2: Convert to fraction form
    12,182.48/16,812.60 = 6,875.36/x
  3. Step 3: Cross multiply
    12,182.48x = 16,812.60 × 6,875.36
  4. Step 4: Simplify right side
    12,182.48x = 115,592,677.54
  5. Step 5: Solve for x
    x = 115,592,677.54/12,182.48
  6. Step 6: Final answer
    x = 9,488.44

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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.