Home / 10,274.46-15,399.24-4,720.08

Finding the Fourth Proportional to 10,274.46, 15,399.24 and 4,720.08

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Solution

The fourth proportional to 10,274.46, 15,399.24 and 4,720.08 is: 7,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.46 : 15,399.24 = 4,720.08 : x
  2. Step 2: Convert to fraction form
    10,274.46/15,399.24 = 4,720.08/x
  3. Step 3: Cross multiply
    10,274.46x = 15,399.24 × 4,720.08
  4. Step 4: Simplify right side
    10,274.46x = 72,685,644.74
  5. Step 5: Solve for x
    x = 72,685,644.74/10,274.46
  6. Step 6: Final answer
    x = 7,074.40

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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.