Home / 10,928.09-16,393.08-4,688.39

Finding the Fourth Proportional to 10,928.09, 16,393.08 and 4,688.39

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Solution

The fourth proportional to 10,928.09, 16,393.08 and 4,688.39 is: 7,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.09 : 16,393.08 = 4,688.39 : x
  2. Step 2: Convert to fraction form
    10,928.09/16,393.08 = 4,688.39/x
  3. Step 3: Cross multiply
    10,928.09x = 16,393.08 × 4,688.39
  4. Step 4: Simplify right side
    10,928.09x = 76,857,152.34
  5. Step 5: Solve for x
    x = 76,857,152.34/10,928.09
  6. Step 6: Final answer
    x = 7,032.99

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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.