Home / 7,623.74-10,520.07-4,829.18

Finding the Fourth Proportional to 7,623.74, 10,520.07 and 4,829.18

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Solution

The fourth proportional to 7,623.74, 10,520.07 and 4,829.18 is: 6,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.74 : 10,520.07 = 4,829.18 : x
  2. Step 2: Convert to fraction form
    7,623.74/10,520.07 = 4,829.18/x
  3. Step 3: Cross multiply
    7,623.74x = 10,520.07 × 4,829.18
  4. Step 4: Simplify right side
    7,623.74x = 50,803,311.64
  5. Step 5: Solve for x
    x = 50,803,311.64/7,623.74
  6. Step 6: Final answer
    x = 6,663.83

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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.