Home / 9,825.84-13,556.16-5,631.66

Finding the Fourth Proportional to 9,825.84, 13,556.16 and 5,631.66

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Solution

The fourth proportional to 9,825.84, 13,556.16 and 5,631.66 is: 7,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.84 : 13,556.16 = 5,631.66 : x
  2. Step 2: Convert to fraction form
    9,825.84/13,556.16 = 5,631.66/x
  3. Step 3: Cross multiply
    9,825.84x = 13,556.16 × 5,631.66
  4. Step 4: Simplify right side
    9,825.84x = 76,343,684.03
  5. Step 5: Solve for x
    x = 76,343,684.03/9,825.84
  6. Step 6: Final answer
    x = 7,769.69

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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.