Home / 10,040.26-13,855.58-5,564.28

Finding the Fourth Proportional to 10,040.26, 13,855.58 and 5,564.28

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Solution

The fourth proportional to 10,040.26, 13,855.58 and 5,564.28 is: 7,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.26 : 13,855.58 = 5,564.28 : x
  2. Step 2: Convert to fraction form
    10,040.26/13,855.58 = 5,564.28/x
  3. Step 3: Cross multiply
    10,040.26x = 13,855.58 × 5,564.28
  4. Step 4: Simplify right side
    10,040.26x = 77,096,326.68
  5. Step 5: Solve for x
    x = 77,096,326.68/10,040.26
  6. Step 6: Final answer
    x = 7,678.72

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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.