Home / 10,008.07-13,811.35-5,532.32

Finding the Fourth Proportional to 10,008.07, 13,811.35 and 5,532.32

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Solution

The fourth proportional to 10,008.07, 13,811.35 and 5,532.32 is: 7,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.07 : 13,811.35 = 5,532.32 : x
  2. Step 2: Convert to fraction form
    10,008.07/13,811.35 = 5,532.32/x
  3. Step 3: Cross multiply
    10,008.07x = 13,811.35 × 5,532.32
  4. Step 4: Simplify right side
    10,008.07x = 76,408,724.94
  5. Step 5: Solve for x
    x = 76,408,724.94/10,008.07
  6. Step 6: Final answer
    x = 7,634.71

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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.