Home / 10,913.87-16,357.10-4,666.55

Finding the Fourth Proportional to 10,913.87, 16,357.10 and 4,666.55

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Solution

The fourth proportional to 10,913.87, 16,357.10 and 4,666.55 is: 6,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.87 : 16,357.10 = 4,666.55 : x
  2. Step 2: Convert to fraction form
    10,913.87/16,357.10 = 4,666.55/x
  3. Step 3: Cross multiply
    10,913.87x = 16,357.10 × 4,666.55
  4. Step 4: Simplify right side
    10,913.87x = 76,331,154.89
  5. Step 5: Solve for x
    x = 76,331,154.89/10,913.87
  6. Step 6: Final answer
    x = 6,993.96

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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.