Home / 11,370.38-15,690.90-6,335.01

Finding the Fourth Proportional to 11,370.38, 15,690.90 and 6,335.01

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Solution

The fourth proportional to 11,370.38, 15,690.90 and 6,335.01 is: 8,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.38 : 15,690.90 = 6,335.01 : x
  2. Step 2: Convert to fraction form
    11,370.38/15,690.90 = 6,335.01/x
  3. Step 3: Cross multiply
    11,370.38x = 15,690.90 × 6,335.01
  4. Step 4: Simplify right side
    11,370.38x = 99,402,008.41
  5. Step 5: Solve for x
    x = 99,402,008.41/11,370.38
  6. Step 6: Final answer
    x = 8,742.19

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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.