Home / 8,187.77-11,298.45-4,830.73

Finding the Fourth Proportional to 8,187.77, 11,298.45 and 4,830.73

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Solution

The fourth proportional to 8,187.77, 11,298.45 and 4,830.73 is: 6,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.77 : 11,298.45 = 4,830.73 : x
  2. Step 2: Convert to fraction form
    8,187.77/11,298.45 = 4,830.73/x
  3. Step 3: Cross multiply
    8,187.77x = 11,298.45 × 4,830.73
  4. Step 4: Simplify right side
    8,187.77x = 54,579,761.37
  5. Step 5: Solve for x
    x = 54,579,761.37/8,187.77
  6. Step 6: Final answer
    x = 6,666.01

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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.