Home / 7,616.13-10,511.47-4,471.71

Finding the Fourth Proportional to 7,616.13, 10,511.47 and 4,471.71

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Solution

The fourth proportional to 7,616.13, 10,511.47 and 4,471.71 is: 6,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.13 : 10,511.47 = 4,471.71 : x
  2. Step 2: Convert to fraction form
    7,616.13/10,511.47 = 4,471.71/x
  3. Step 3: Cross multiply
    7,616.13x = 10,511.47 × 4,471.71
  4. Step 4: Simplify right side
    7,616.13x = 47,004,245.51
  5. Step 5: Solve for x
    x = 47,004,245.51/7,616.13
  6. Step 6: Final answer
    x = 6,171.67

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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.