Home / 8,599.07-11,861.67-5,407.30

Finding the Fourth Proportional to 8,599.07, 11,861.67 and 5,407.30

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Solution

The fourth proportional to 8,599.07, 11,861.67 and 5,407.30 is: 7,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.07 : 11,861.67 = 5,407.30 : x
  2. Step 2: Convert to fraction form
    8,599.07/11,861.67 = 5,407.30/x
  3. Step 3: Cross multiply
    8,599.07x = 11,861.67 × 5,407.30
  4. Step 4: Simplify right side
    8,599.07x = 64,139,643.30
  5. Step 5: Solve for x
    x = 64,139,643.30/8,599.07
  6. Step 6: Final answer
    x = 7,458.90

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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.