Home / 7,488.47-10,333.76-4,505.91

Finding the Fourth Proportional to 7,488.47, 10,333.76 and 4,505.91

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Solution

The fourth proportional to 7,488.47, 10,333.76 and 4,505.91 is: 6,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.47 : 10,333.76 = 4,505.91 : x
  2. Step 2: Convert to fraction form
    7,488.47/10,333.76 = 4,505.91/x
  3. Step 3: Cross multiply
    7,488.47x = 10,333.76 × 4,505.91
  4. Step 4: Simplify right side
    7,488.47x = 46,562,969.99
  5. Step 5: Solve for x
    x = 46,562,969.99/7,488.47
  6. Step 6: Final answer
    x = 6,217.96

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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.