Home / 9,974.18-13,768.90-7,104.75

Finding the Fourth Proportional to 9,974.18, 13,768.90 and 7,104.75

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Solution

The fourth proportional to 9,974.18, 13,768.90 and 7,104.75 is: 9,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.18 : 13,768.90 = 7,104.75 : x
  2. Step 2: Convert to fraction form
    9,974.18/13,768.90 = 7,104.75/x
  3. Step 3: Cross multiply
    9,974.18x = 13,768.90 × 7,104.75
  4. Step 4: Simplify right side
    9,974.18x = 97,824,574.51
  5. Step 5: Solve for x
    x = 97,824,574.51/9,974.18
  6. Step 6: Final answer
    x = 9,807.79

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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.