Home / 8,101.32-11,178.40-4,564.68

Finding the Fourth Proportional to 8,101.32, 11,178.40 and 4,564.68

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Solution

The fourth proportional to 8,101.32, 11,178.40 and 4,564.68 is: 6,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.32 : 11,178.40 = 4,564.68 : x
  2. Step 2: Convert to fraction form
    8,101.32/11,178.40 = 4,564.68/x
  3. Step 3: Cross multiply
    8,101.32x = 11,178.40 × 4,564.68
  4. Step 4: Simplify right side
    8,101.32x = 51,025,818.91
  5. Step 5: Solve for x
    x = 51,025,818.91/8,101.32
  6. Step 6: Final answer
    x = 6,298.46

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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.