Home / 11,596.55-16,003.28-6,291.40

Finding the Fourth Proportional to 11,596.55, 16,003.28 and 6,291.40

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Solution

The fourth proportional to 11,596.55, 16,003.28 and 6,291.40 is: 8,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,596.55 : 16,003.28 = 6,291.40 : x
  2. Step 2: Convert to fraction form
    11,596.55/16,003.28 = 6,291.40/x
  3. Step 3: Cross multiply
    11,596.55x = 16,003.28 × 6,291.40
  4. Step 4: Simplify right side
    11,596.55x = 100,683,035.79
  5. Step 5: Solve for x
    x = 100,683,035.79/11,596.55
  6. Step 6: Final answer
    x = 8,682.16

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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.