Home / 10,725.09-16,088.85-5,177.40

Finding the Fourth Proportional to 10,725.09, 16,088.85 and 5,177.40

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Solution

The fourth proportional to 10,725.09, 16,088.85 and 5,177.40 is: 7,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.09 : 16,088.85 = 5,177.40 : x
  2. Step 2: Convert to fraction form
    10,725.09/16,088.85 = 5,177.40/x
  3. Step 3: Cross multiply
    10,725.09x = 16,088.85 × 5,177.40
  4. Step 4: Simplify right side
    10,725.09x = 83,298,411.99
  5. Step 5: Solve for x
    x = 83,298,411.99/10,725.09
  6. Step 6: Final answer
    x = 7,766.69

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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.