Home / 9,812.88-13,538.77-5,563.26

Finding the Fourth Proportional to 9,812.88, 13,538.77 and 5,563.26

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Solution

The fourth proportional to 9,812.88, 13,538.77 and 5,563.26 is: 7,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.88 : 13,538.77 = 5,563.26 : x
  2. Step 2: Convert to fraction form
    9,812.88/13,538.77 = 5,563.26/x
  3. Step 3: Cross multiply
    9,812.88x = 13,538.77 × 5,563.26
  4. Step 4: Simplify right side
    9,812.88x = 75,319,697.59
  5. Step 5: Solve for x
    x = 75,319,697.59/9,812.88
  6. Step 6: Final answer
    x = 7,675.60

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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.