Home / 8,191.03-11,303.61-4,465.03

Finding the Fourth Proportional to 8,191.03, 11,303.61 and 4,465.03

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Solution

The fourth proportional to 8,191.03, 11,303.61 and 4,465.03 is: 6,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.03 : 11,303.61 = 4,465.03 : x
  2. Step 2: Convert to fraction form
    8,191.03/11,303.61 = 4,465.03/x
  3. Step 3: Cross multiply
    8,191.03x = 11,303.61 × 4,465.03
  4. Step 4: Simplify right side
    8,191.03x = 50,470,957.76
  5. Step 5: Solve for x
    x = 50,470,957.76/8,191.03
  6. Step 6: Final answer
    x = 6,161.74

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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.