Home / 6,515.10-9,760.35-5,047.08

Finding the Fourth Proportional to 6,515.10, 9,760.35 and 5,047.08

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Solution

The fourth proportional to 6,515.10, 9,760.35 and 5,047.08 is: 7,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.10 : 9,760.35 = 5,047.08 : x
  2. Step 2: Convert to fraction form
    6,515.10/9,760.35 = 5,047.08/x
  3. Step 3: Cross multiply
    6,515.10x = 9,760.35 × 5,047.08
  4. Step 4: Simplify right side
    6,515.10x = 49,261,267.28
  5. Step 5: Solve for x
    x = 49,261,267.28/6,515.10
  6. Step 6: Final answer
    x = 7,561.09

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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.