Home / 7,861.49-10,848.70-4,324.62

Finding the Fourth Proportional to 7,861.49, 10,848.70 and 4,324.62

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Solution

The fourth proportional to 7,861.49, 10,848.70 and 4,324.62 is: 5,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.49 : 10,848.70 = 4,324.62 : x
  2. Step 2: Convert to fraction form
    7,861.49/10,848.70 = 4,324.62/x
  3. Step 3: Cross multiply
    7,861.49x = 10,848.70 × 4,324.62
  4. Step 4: Simplify right side
    7,861.49x = 46,916,551.08
  5. Step 5: Solve for x
    x = 46,916,551.08/7,861.49
  6. Step 6: Final answer
    x = 5,967.90

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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.