Home / 9,069.66-12,516.18-5,090.82

Finding the Fourth Proportional to 9,069.66, 12,516.18 and 5,090.82

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Solution

The fourth proportional to 9,069.66, 12,516.18 and 5,090.82 is: 7,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.66 : 12,516.18 = 5,090.82 : x
  2. Step 2: Convert to fraction form
    9,069.66/12,516.18 = 5,090.82/x
  3. Step 3: Cross multiply
    9,069.66x = 12,516.18 × 5,090.82
  4. Step 4: Simplify right side
    9,069.66x = 63,717,619.47
  5. Step 5: Solve for x
    x = 63,717,619.47/9,069.66
  6. Step 6: Final answer
    x = 7,025.36

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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.