Home / 10,329.39-15,477.57-6,628.59

Finding the Fourth Proportional to 10,329.39, 15,477.57 and 6,628.59

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Solution

The fourth proportional to 10,329.39, 15,477.57 and 6,628.59 is: 9,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.39 : 15,477.57 = 6,628.59 : x
  2. Step 2: Convert to fraction form
    10,329.39/15,477.57 = 6,628.59/x
  3. Step 3: Cross multiply
    10,329.39x = 15,477.57 × 6,628.59
  4. Step 4: Simplify right side
    10,329.39x = 102,594,465.73
  5. Step 5: Solve for x
    x = 102,594,465.73/10,329.39
  6. Step 6: Final answer
    x = 9,932.29

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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.