Home / 7,152.24-10,716.67-6,878.87

Finding the Fourth Proportional to 7,152.24, 10,716.67 and 6,878.87

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Solution

The fourth proportional to 7,152.24, 10,716.67 and 6,878.87 is: 10,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.24 : 10,716.67 = 6,878.87 : x
  2. Step 2: Convert to fraction form
    7,152.24/10,716.67 = 6,878.87/x
  3. Step 3: Cross multiply
    7,152.24x = 10,716.67 × 6,878.87
  4. Step 4: Simplify right side
    7,152.24x = 73,718,491.79
  5. Step 5: Solve for x
    x = 73,718,491.79/7,152.24
  6. Step 6: Final answer
    x = 10,307.05

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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.