Home / 10,660.54-14,711.60-5,880.65

Finding the Fourth Proportional to 10,660.54, 14,711.60 and 5,880.65

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Solution

The fourth proportional to 10,660.54, 14,711.60 and 5,880.65 is: 8,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.54 : 14,711.60 = 5,880.65 : x
  2. Step 2: Convert to fraction form
    10,660.54/14,711.60 = 5,880.65/x
  3. Step 3: Cross multiply
    10,660.54x = 14,711.60 × 5,880.65
  4. Step 4: Simplify right side
    10,660.54x = 86,513,744.80
  5. Step 5: Solve for x
    x = 86,513,744.80/10,660.54
  6. Step 6: Final answer
    x = 8,115.33

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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.