Home / 9,722.09-13,416.45-5,530.34

Finding the Fourth Proportional to 9,722.09, 13,416.45 and 5,530.34

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Solution

The fourth proportional to 9,722.09, 13,416.45 and 5,530.34 is: 7,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.09 : 13,416.45 = 5,530.34 : x
  2. Step 2: Convert to fraction form
    9,722.09/13,416.45 = 5,530.34/x
  3. Step 3: Cross multiply
    9,722.09x = 13,416.45 × 5,530.34
  4. Step 4: Simplify right side
    9,722.09x = 74,197,530.09
  5. Step 5: Solve for x
    x = 74,197,530.09/9,722.09
  6. Step 6: Final answer
    x = 7,631.85

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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.