Home / 10,392.64-15,588.49-3,818.34

Finding the Fourth Proportional to 10,392.64, 15,588.49 and 3,818.34

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Solution

The fourth proportional to 10,392.64, 15,588.49 and 3,818.34 is: 5,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.64 : 15,588.49 = 3,818.34 : x
  2. Step 2: Convert to fraction form
    10,392.64/15,588.49 = 3,818.34/x
  3. Step 3: Cross multiply
    10,392.64x = 15,588.49 × 3,818.34
  4. Step 4: Simplify right side
    10,392.64x = 59,522,154.91
  5. Step 5: Solve for x
    x = 59,522,154.91/10,392.64
  6. Step 6: Final answer
    x = 5,727.34

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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.