Home / 7,048.40-9,724.60-4,063.85

Finding the Fourth Proportional to 7,048.40, 9,724.60 and 4,063.85

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Solution

The fourth proportional to 7,048.40, 9,724.60 and 4,063.85 is: 5,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.40 : 9,724.60 = 4,063.85 : x
  2. Step 2: Convert to fraction form
    7,048.40/9,724.60 = 4,063.85/x
  3. Step 3: Cross multiply
    7,048.40x = 9,724.60 × 4,063.85
  4. Step 4: Simplify right side
    7,048.40x = 39,519,315.71
  5. Step 5: Solve for x
    x = 39,519,315.71/7,048.40
  6. Step 6: Final answer
    x = 5,606.85

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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.