Home / 8,140.08-12,210.84-2,296.68

Finding the Fourth Proportional to 8,140.08, 12,210.84 and 2,296.68

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Solution

The fourth proportional to 8,140.08, 12,210.84 and 2,296.68 is: 3,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.08 : 12,210.84 = 2,296.68 : x
  2. Step 2: Convert to fraction form
    8,140.08/12,210.84 = 2,296.68/x
  3. Step 3: Cross multiply
    8,140.08x = 12,210.84 × 2,296.68
  4. Step 4: Simplify right side
    8,140.08x = 28,044,392.01
  5. Step 5: Solve for x
    x = 28,044,392.01/8,140.08
  6. Step 6: Final answer
    x = 3,445.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.