Home / 9,526.88-13,147.73-5,278.12

Finding the Fourth Proportional to 9,526.88, 13,147.73 and 5,278.12

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Solution

The fourth proportional to 9,526.88, 13,147.73 and 5,278.12 is: 7,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,526.88 : 13,147.73 = 5,278.12 : x
  2. Step 2: Convert to fraction form
    9,526.88/13,147.73 = 5,278.12/x
  3. Step 3: Cross multiply
    9,526.88x = 13,147.73 × 5,278.12
  4. Step 4: Simplify right side
    9,526.88x = 69,395,296.67
  5. Step 5: Solve for x
    x = 69,395,296.67/9,526.88
  6. Step 6: Final answer
    x = 7,284.16

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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.