Home / 11,856.04-16,358.50-6,885.16

Finding the Fourth Proportional to 11,856.04, 16,358.50 and 6,885.16

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Solution

The fourth proportional to 11,856.04, 16,358.50 and 6,885.16 is: 9,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.04 : 16,358.50 = 6,885.16 : x
  2. Step 2: Convert to fraction form
    11,856.04/16,358.50 = 6,885.16/x
  3. Step 3: Cross multiply
    11,856.04x = 16,358.50 × 6,885.16
  4. Step 4: Simplify right side
    11,856.04x = 112,630,889.86
  5. Step 5: Solve for x
    x = 112,630,889.86/11,856.04
  6. Step 6: Final answer
    x = 9,499.87

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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.