Home / 8,599.13-11,861.76-5,407.37

Finding the Fourth Proportional to 8,599.13, 11,861.76 and 5,407.37

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Solution

The fourth proportional to 8,599.13, 11,861.76 and 5,407.37 is: 7,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.13 : 11,861.76 = 5,407.37 : x
  2. Step 2: Convert to fraction form
    8,599.13/11,861.76 = 5,407.37/x
  3. Step 3: Cross multiply
    8,599.13x = 11,861.76 × 5,407.37
  4. Step 4: Simplify right side
    8,599.13x = 64,140,865.86
  5. Step 5: Solve for x
    x = 64,140,865.86/8,599.13
  6. Step 6: Final answer
    x = 7,458.99

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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.