Home / 9,518.60-13,137.23-6,531.98

Finding the Fourth Proportional to 9,518.60, 13,137.23 and 6,531.98

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Solution

The fourth proportional to 9,518.60, 13,137.23 and 6,531.98 is: 9,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.60 : 13,137.23 = 6,531.98 : x
  2. Step 2: Convert to fraction form
    9,518.60/13,137.23 = 6,531.98/x
  3. Step 3: Cross multiply
    9,518.60x = 13,137.23 × 6,531.98
  4. Step 4: Simplify right side
    9,518.60x = 85,812,172.79
  5. Step 5: Solve for x
    x = 85,812,172.79/9,518.60
  6. Step 6: Final answer
    x = 9,015.21

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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.