Home / 8,236.86-11,366.91-4,700.40

Finding the Fourth Proportional to 8,236.86, 11,366.91 and 4,700.40

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Solution

The fourth proportional to 8,236.86, 11,366.91 and 4,700.40 is: 6,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.86 : 11,366.91 = 4,700.40 : x
  2. Step 2: Convert to fraction form
    8,236.86/11,366.91 = 4,700.40/x
  3. Step 3: Cross multiply
    8,236.86x = 11,366.91 × 4,700.40
  4. Step 4: Simplify right side
    8,236.86x = 53,429,023.76
  5. Step 5: Solve for x
    x = 53,429,023.76/8,236.86
  6. Step 6: Final answer
    x = 6,486.58

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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.