Home / 9,069.26-12,515.55-5,090.39

Finding the Fourth Proportional to 9,069.26, 12,515.55 and 5,090.39

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Solution

The fourth proportional to 9,069.26, 12,515.55 and 5,090.39 is: 7,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.26 : 12,515.55 = 5,090.39 : x
  2. Step 2: Convert to fraction form
    9,069.26/12,515.55 = 5,090.39/x
  3. Step 3: Cross multiply
    9,069.26x = 12,515.55 × 5,090.39
  4. Step 4: Simplify right side
    9,069.26x = 63,708,967.99
  5. Step 5: Solve for x
    x = 63,708,967.99/9,069.26
  6. Step 6: Final answer
    x = 7,024.72

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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.