Home / 12,030.12-16,600.90-6,652.25

Finding the Fourth Proportional to 12,030.12, 16,600.90 and 6,652.25

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Solution

The fourth proportional to 12,030.12, 16,600.90 and 6,652.25 is: 9,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.12 : 16,600.90 = 6,652.25 : x
  2. Step 2: Convert to fraction form
    12,030.12/16,600.90 = 6,652.25/x
  3. Step 3: Cross multiply
    12,030.12x = 16,600.90 × 6,652.25
  4. Step 4: Simplify right side
    12,030.12x = 110,433,337.03
  5. Step 5: Solve for x
    x = 110,433,337.03/12,030.12
  6. Step 6: Final answer
    x = 9,179.74

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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.