Home / 12,246.16-16,899.12-6,657.16

Finding the Fourth Proportional to 12,246.16, 16,899.12 and 6,657.16

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Solution

The fourth proportional to 12,246.16, 16,899.12 and 6,657.16 is: 9,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.16 : 16,899.12 = 6,657.16 : x
  2. Step 2: Convert to fraction form
    12,246.16/16,899.12 = 6,657.16/x
  3. Step 3: Cross multiply
    12,246.16x = 16,899.12 × 6,657.16
  4. Step 4: Simplify right side
    12,246.16x = 112,500,145.70
  5. Step 5: Solve for x
    x = 112,500,145.70/12,246.16
  6. Step 6: Final answer
    x = 9,186.57

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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.