Home / 12,180.48-16,809.32-6,875.33

Finding the Fourth Proportional to 12,180.48, 16,809.32 and 6,875.33

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Solution

The fourth proportional to 12,180.48, 16,809.32 and 6,875.33 is: 9,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.48 : 16,809.32 = 6,875.33 : x
  2. Step 2: Convert to fraction form
    12,180.48/16,809.32 = 6,875.33/x
  3. Step 3: Cross multiply
    12,180.48x = 16,809.32 × 6,875.33
  4. Step 4: Simplify right side
    12,180.48x = 115,569,622.08
  5. Step 5: Solve for x
    x = 115,569,622.08/12,180.48
  6. Step 6: Final answer
    x = 9,488.10

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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.