Home / 10,071.36-13,897.42-5,821.75

Finding the Fourth Proportional to 10,071.36, 13,897.42 and 5,821.75

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Solution

The fourth proportional to 10,071.36, 13,897.42 and 5,821.75 is: 8,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.36 : 13,897.42 = 5,821.75 : x
  2. Step 2: Convert to fraction form
    10,071.36/13,897.42 = 5,821.75/x
  3. Step 3: Cross multiply
    10,071.36x = 13,897.42 × 5,821.75
  4. Step 4: Simplify right side
    10,071.36x = 80,907,307.70
  5. Step 5: Solve for x
    x = 80,907,307.70/10,071.36
  6. Step 6: Final answer
    x = 8,033.40

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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.