Home / 11,628.81-16,050.33-7,156.44

Finding the Fourth Proportional to 11,628.81, 16,050.33 and 7,156.44

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Solution

The fourth proportional to 11,628.81, 16,050.33 and 7,156.44 is: 9,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.81 : 16,050.33 = 7,156.44 : x
  2. Step 2: Convert to fraction form
    11,628.81/16,050.33 = 7,156.44/x
  3. Step 3: Cross multiply
    11,628.81x = 16,050.33 × 7,156.44
  4. Step 4: Simplify right side
    11,628.81x = 114,863,223.63
  5. Step 5: Solve for x
    x = 114,863,223.63/11,628.81
  6. Step 6: Final answer
    x = 9,877.47

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1.5x scale

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.