Home / 6,515.65-8,993.64-4,500.10

Finding the Fourth Proportional to 6,515.65, 8,993.64 and 4,500.10

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Solution

The fourth proportional to 6,515.65, 8,993.64 and 4,500.10 is: 6,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.65 : 8,993.64 = 4,500.10 : x
  2. Step 2: Convert to fraction form
    6,515.65/8,993.64 = 4,500.10/x
  3. Step 3: Cross multiply
    6,515.65x = 8,993.64 × 4,500.10
  4. Step 4: Simplify right side
    6,515.65x = 40,472,279.36
  5. Step 5: Solve for x
    x = 40,472,279.36/6,515.65
  6. Step 6: Final answer
    x = 6,211.55

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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.