Home / 12,161.33-16,749.08-10,482.12

Finding the Fourth Proportional to 12,161.33, 16,749.08 and 10,482.12

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Solution

The fourth proportional to 12,161.33, 16,749.08 and 10,482.12 is: 14,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.33 : 16,749.08 = 10,482.12 : x
  2. Step 2: Convert to fraction form
    12,161.33/16,749.08 = 10,482.12/x
  3. Step 3: Cross multiply
    12,161.33x = 16,749.08 × 10,482.12
  4. Step 4: Simplify right side
    12,161.33x = 175,565,866.45
  5. Step 5: Solve for x
    x = 175,565,866.45/12,161.33
  6. Step 6: Final answer
    x = 14,436.40

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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.