Home / 10,559.36-15,819.60-9,392.96

Finding the Fourth Proportional to 10,559.36, 15,819.60 and 9,392.96

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Solution

The fourth proportional to 10,559.36, 15,819.60 and 9,392.96 is: 14,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.36 : 15,819.60 = 9,392.96 : x
  2. Step 2: Convert to fraction form
    10,559.36/15,819.60 = 9,392.96/x
  3. Step 3: Cross multiply
    10,559.36x = 15,819.60 × 9,392.96
  4. Step 4: Simplify right side
    10,559.36x = 148,592,870.02
  5. Step 5: Solve for x
    x = 148,592,870.02/10,559.36
  6. Step 6: Final answer
    x = 14,072.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.