Home / 11,370.35-15,690.69-6,334.34

Finding the Fourth Proportional to 11,370.35, 15,690.69 and 6,334.34

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Solution

The fourth proportional to 11,370.35, 15,690.69 and 6,334.34 is: 8,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.35 : 15,690.69 = 6,334.34 : x
  2. Step 2: Convert to fraction form
    11,370.35/15,690.69 = 6,334.34/x
  3. Step 3: Cross multiply
    11,370.35x = 15,690.69 × 6,334.34
  4. Step 4: Simplify right side
    11,370.35x = 99,390,086.84
  5. Step 5: Solve for x
    x = 99,390,086.84/11,370.35
  6. Step 6: Final answer
    x = 8,741.16

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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.