Home / 9,011.08-12,431.76-5,233.60

Finding the Fourth Proportional to 9,011.08, 12,431.76 and 5,233.60

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Solution

The fourth proportional to 9,011.08, 12,431.76 and 5,233.60 is: 7,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.08 : 12,431.76 = 5,233.60 : x
  2. Step 2: Convert to fraction form
    9,011.08/12,431.76 = 5,233.60/x
  3. Step 3: Cross multiply
    9,011.08x = 12,431.76 × 5,233.60
  4. Step 4: Simplify right side
    9,011.08x = 65,062,859.14
  5. Step 5: Solve for x
    x = 65,062,859.14/9,011.08
  6. Step 6: Final answer
    x = 7,220.32

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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.