Home / 11,335.58-15,641.40-6,299.81

Finding the Fourth Proportional to 11,335.58, 15,641.40 and 6,299.81

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Solution

The fourth proportional to 11,335.58, 15,641.40 and 6,299.81 is: 8,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.58 : 15,641.40 = 6,299.81 : x
  2. Step 2: Convert to fraction form
    11,335.58/15,641.40 = 6,299.81/x
  3. Step 3: Cross multiply
    11,335.58x = 15,641.40 × 6,299.81
  4. Step 4: Simplify right side
    11,335.58x = 98,537,852.21
  5. Step 5: Solve for x
    x = 98,537,852.21/11,335.58
  6. Step 6: Final answer
    x = 8,692.79

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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.