Home / 12,003.40-16,564.70-6,626.16

Finding the Fourth Proportional to 12,003.40, 16,564.70 and 6,626.16

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Solution

The fourth proportional to 12,003.40, 16,564.70 and 6,626.16 is: 9,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.40 : 16,564.70 = 6,626.16 : x
  2. Step 2: Convert to fraction form
    12,003.40/16,564.70 = 6,626.16/x
  3. Step 3: Cross multiply
    12,003.40x = 16,564.70 × 6,626.16
  4. Step 4: Simplify right side
    12,003.40x = 109,760,352.55
  5. Step 5: Solve for x
    x = 109,760,352.55/12,003.40
  6. Step 6: Final answer
    x = 9,144.11

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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.