Home / 10,937.60-16,406.63-3,918.07

Finding the Fourth Proportional to 10,937.60, 16,406.63 and 3,918.07

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Solution

The fourth proportional to 10,937.60, 16,406.63 and 3,918.07 is: 5,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.60 : 16,406.63 = 3,918.07 : x
  2. Step 2: Convert to fraction form
    10,937.60/16,406.63 = 3,918.07/x
  3. Step 3: Cross multiply
    10,937.60x = 16,406.63 × 3,918.07
  4. Step 4: Simplify right side
    10,937.60x = 64,282,223.18
  5. Step 5: Solve for x
    x = 64,282,223.18/10,937.60
  6. Step 6: Final answer
    x = 5,877.18

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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.