Home / 10,709.04-16,064.36-2,917.72

Finding the Fourth Proportional to 10,709.04, 16,064.36 and 2,917.72

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Solution

The fourth proportional to 10,709.04, 16,064.36 and 2,917.72 is: 4,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.04 : 16,064.36 = 2,917.72 : x
  2. Step 2: Convert to fraction form
    10,709.04/16,064.36 = 2,917.72/x
  3. Step 3: Cross multiply
    10,709.04x = 16,064.36 × 2,917.72
  4. Step 4: Simplify right side
    10,709.04x = 46,871,304.46
  5. Step 5: Solve for x
    x = 46,871,304.46/10,709.04
  6. Step 6: Final answer
    x = 4,376.80

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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.