Home / 9,829.44-13,564.93-5,637.69

Finding the Fourth Proportional to 9,829.44, 13,564.93 and 5,637.69

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Solution

The fourth proportional to 9,829.44, 13,564.93 and 5,637.69 is: 7,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.44 : 13,564.93 = 5,637.69 : x
  2. Step 2: Convert to fraction form
    9,829.44/13,564.93 = 5,637.69/x
  3. Step 3: Cross multiply
    9,829.44x = 13,564.93 × 5,637.69
  4. Step 4: Simplify right side
    9,829.44x = 76,474,870.21
  5. Step 5: Solve for x
    x = 76,474,870.21/9,829.44
  6. Step 6: Final answer
    x = 7,780.19

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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.