Home / 11,156.63-16,725.40-4,578.71

Finding the Fourth Proportional to 11,156.63, 16,725.40 and 4,578.71

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Solution

The fourth proportional to 11,156.63, 16,725.40 and 4,578.71 is: 6,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.63 : 16,725.40 = 4,578.71 : x
  2. Step 2: Convert to fraction form
    11,156.63/16,725.40 = 4,578.71/x
  3. Step 3: Cross multiply
    11,156.63x = 16,725.40 × 4,578.71
  4. Step 4: Simplify right side
    11,156.63x = 76,580,661.16
  5. Step 5: Solve for x
    x = 76,580,661.16/11,156.63
  6. Step 6: Final answer
    x = 6,864.14

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1.5x scale

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.