Home / 7,861.40-10,848.34-4,324.52

Finding the Fourth Proportional to 7,861.40, 10,848.34 and 4,324.52

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Solution

The fourth proportional to 7,861.40, 10,848.34 and 4,324.52 is: 5,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.40 : 10,848.34 = 4,324.52 : x
  2. Step 2: Convert to fraction form
    7,861.40/10,848.34 = 4,324.52/x
  3. Step 3: Cross multiply
    7,861.40x = 10,848.34 × 4,324.52
  4. Step 4: Simplify right side
    7,861.40x = 46,913,863.30
  5. Step 5: Solve for x
    x = 46,913,863.30/7,861.40
  6. Step 6: Final answer
    x = 5,967.62

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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.