Home / 8,135.01-12,192.26-6,484.77

Finding the Fourth Proportional to 8,135.01, 12,192.26 and 6,484.77

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Solution

The fourth proportional to 8,135.01, 12,192.26 and 6,484.77 is: 9,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.01 : 12,192.26 = 6,484.77 : x
  2. Step 2: Convert to fraction form
    8,135.01/12,192.26 = 6,484.77/x
  3. Step 3: Cross multiply
    8,135.01x = 12,192.26 × 6,484.77
  4. Step 4: Simplify right side
    8,135.01x = 79,063,969.46
  5. Step 5: Solve for x
    x = 79,063,969.46/8,135.01
  6. Step 6: Final answer
    x = 9,718.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.