Home / 10,040.44-13,856.34-5,564.68

Finding the Fourth Proportional to 10,040.44, 13,856.34 and 5,564.68

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Solution

The fourth proportional to 10,040.44, 13,856.34 and 5,564.68 is: 7,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.44 : 13,856.34 = 5,564.68 : x
  2. Step 2: Convert to fraction form
    10,040.44/13,856.34 = 5,564.68/x
  3. Step 3: Cross multiply
    10,040.44x = 13,856.34 × 5,564.68
  4. Step 4: Simplify right side
    10,040.44x = 77,106,098.07
  5. Step 5: Solve for x
    x = 77,106,098.07/10,040.44
  6. Step 6: Final answer
    x = 7,679.55

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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.