Home / 8,276.16-11,420.96-4,550.08

Finding the Fourth Proportional to 8,276.16, 11,420.96 and 4,550.08

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Solution

The fourth proportional to 8,276.16, 11,420.96 and 4,550.08 is: 6,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.16 : 11,420.96 = 4,550.08 : x
  2. Step 2: Convert to fraction form
    8,276.16/11,420.96 = 4,550.08/x
  3. Step 3: Cross multiply
    8,276.16x = 11,420.96 × 4,550.08
  4. Step 4: Simplify right side
    8,276.16x = 51,966,281.68
  5. Step 5: Solve for x
    x = 51,966,281.68/8,276.16
  6. Step 6: Final answer
    x = 6,279.03

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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.