Home / 9,422.06-13,002.80-5,645.84

Finding the Fourth Proportional to 9,422.06, 13,002.80 and 5,645.84

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Solution

The fourth proportional to 9,422.06, 13,002.80 and 5,645.84 is: 7,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.06 : 13,002.80 = 5,645.84 : x
  2. Step 2: Convert to fraction form
    9,422.06/13,002.80 = 5,645.84/x
  3. Step 3: Cross multiply
    9,422.06x = 13,002.80 × 5,645.84
  4. Step 4: Simplify right side
    9,422.06x = 73,411,635.11
  5. Step 5: Solve for x
    x = 73,411,635.11/9,422.06
  6. Step 6: Final answer
    x = 7,791.47

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Double scale
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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.