Home / 9,037.80-13,495.18-7,974.75

Finding the Fourth Proportional to 9,037.80, 13,495.18 and 7,974.75

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Solution

The fourth proportional to 9,037.80, 13,495.18 and 7,974.75 is: 11,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.80 : 13,495.18 = 7,974.75 : x
  2. Step 2: Convert to fraction form
    9,037.80/13,495.18 = 7,974.75/x
  3. Step 3: Cross multiply
    9,037.80x = 13,495.18 × 7,974.75
  4. Step 4: Simplify right side
    9,037.80x = 107,620,579.36
  5. Step 5: Solve for x
    x = 107,620,579.36/9,037.80
  6. Step 6: Final answer
    x = 11,907.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.