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Finding the Fourth Proportional to 9,559.14, 13,192.91 and 5,368.20

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Solution

The fourth proportional to 9,559.14, 13,192.91 and 5,368.20 is: 7,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.14 : 13,192.91 = 5,368.20 : x
  2. Step 2: Convert to fraction form
    9,559.14/13,192.91 = 5,368.20/x
  3. Step 3: Cross multiply
    9,559.14x = 13,192.91 × 5,368.20
  4. Step 4: Simplify right side
    9,559.14x = 70,822,179.46
  5. Step 5: Solve for x
    x = 70,822,179.46/9,559.14
  6. Step 6: Final answer
    x = 7,408.84

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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.