Home / 9,736.60-13,436.88-5,489.35

Finding the Fourth Proportional to 9,736.60, 13,436.88 and 5,489.35

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Solution

The fourth proportional to 9,736.60, 13,436.88 and 5,489.35 is: 7,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,736.60 : 13,436.88 = 5,489.35 : x
  2. Step 2: Convert to fraction form
    9,736.60/13,436.88 = 5,489.35/x
  3. Step 3: Cross multiply
    9,736.60x = 13,436.88 × 5,489.35
  4. Step 4: Simplify right side
    9,736.60x = 73,759,737.23
  5. Step 5: Solve for x
    x = 73,759,737.23/9,736.60
  6. Step 6: Final answer
    x = 7,575.51

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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.