Home / 11,149.93-16,698.51-9,681.10

Finding the Fourth Proportional to 11,149.93, 16,698.51 and 9,681.10

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Solution

The fourth proportional to 11,149.93, 16,698.51 and 9,681.10 is: 14,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.93 : 16,698.51 = 9,681.10 : x
  2. Step 2: Convert to fraction form
    11,149.93/16,698.51 = 9,681.10/x
  3. Step 3: Cross multiply
    11,149.93x = 16,698.51 × 9,681.10
  4. Step 4: Simplify right side
    11,149.93x = 161,659,945.16
  5. Step 5: Solve for x
    x = 161,659,945.16/11,149.93
  6. Step 6: Final answer
    x = 14,498.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.