Home / 6,633.99-9,151.11-4,145.67

Finding the Fourth Proportional to 6,633.99, 9,151.11 and 4,145.67

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Solution

The fourth proportional to 6,633.99, 9,151.11 and 4,145.67 is: 5,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.99 : 9,151.11 = 4,145.67 : x
  2. Step 2: Convert to fraction form
    6,633.99/9,151.11 = 4,145.67/x
  3. Step 3: Cross multiply
    6,633.99x = 9,151.11 × 4,145.67
  4. Step 4: Simplify right side
    6,633.99x = 37,937,483.81
  5. Step 5: Solve for x
    x = 37,937,483.81/6,633.99
  6. Step 6: Final answer
    x = 5,718.65

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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.