Home / 9,074.36-12,522.30-5,543.48

Finding the Fourth Proportional to 9,074.36, 12,522.30 and 5,543.48

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Solution

The fourth proportional to 9,074.36, 12,522.30 and 5,543.48 is: 7,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.36 : 12,522.30 = 5,543.48 : x
  2. Step 2: Convert to fraction form
    9,074.36/12,522.30 = 5,543.48/x
  3. Step 3: Cross multiply
    9,074.36x = 12,522.30 × 5,543.48
  4. Step 4: Simplify right side
    9,074.36x = 69,417,119.60
  5. Step 5: Solve for x
    x = 69,417,119.60/9,074.36
  6. Step 6: Final answer
    x = 7,649.81

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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.