Home / 9,801.04-13,525.40-5,609.28

Finding the Fourth Proportional to 9,801.04, 13,525.40 and 5,609.28

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Solution

The fourth proportional to 9,801.04, 13,525.40 and 5,609.28 is: 7,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.04 : 13,525.40 = 5,609.28 : x
  2. Step 2: Convert to fraction form
    9,801.04/13,525.40 = 5,609.28/x
  3. Step 3: Cross multiply
    9,801.04x = 13,525.40 × 5,609.28
  4. Step 4: Simplify right side
    9,801.04x = 75,867,755.71
  5. Step 5: Solve for x
    x = 75,867,755.71/9,801.04
  6. Step 6: Final answer
    x = 7,740.79

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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.