Home / 9,795.65-13,517.75-5,603.63

Finding the Fourth Proportional to 9,795.65, 13,517.75 and 5,603.63

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Solution

The fourth proportional to 9,795.65, 13,517.75 and 5,603.63 is: 7,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.65 : 13,517.75 = 5,603.63 : x
  2. Step 2: Convert to fraction form
    9,795.65/13,517.75 = 5,603.63/x
  3. Step 3: Cross multiply
    9,795.65x = 13,517.75 × 5,603.63
  4. Step 4: Simplify right side
    9,795.65x = 75,748,415.85
  5. Step 5: Solve for x
    x = 75,748,415.85/9,795.65
  6. Step 6: Final answer
    x = 7,732.87

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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.