Home / 9,026.81-12,462.87-8,080.99

Finding the Fourth Proportional to 9,026.81, 12,462.87 and 8,080.99

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Solution

The fourth proportional to 9,026.81, 12,462.87 and 8,080.99 is: 11,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.81 : 12,462.87 = 8,080.99 : x
  2. Step 2: Convert to fraction form
    9,026.81/12,462.87 = 8,080.99/x
  3. Step 3: Cross multiply
    9,026.81x = 12,462.87 × 8,080.99
  4. Step 4: Simplify right side
    9,026.81x = 100,712,327.84
  5. Step 5: Solve for x
    x = 100,712,327.84/9,026.81
  6. Step 6: Final answer
    x = 11,157.02

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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.