Home / 10,080.28-13,909.98-6,550.12

Finding the Fourth Proportional to 10,080.28, 13,909.98 and 6,550.12

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Solution

The fourth proportional to 10,080.28, 13,909.98 and 6,550.12 is: 9,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.28 : 13,909.98 = 6,550.12 : x
  2. Step 2: Convert to fraction form
    10,080.28/13,909.98 = 6,550.12/x
  3. Step 3: Cross multiply
    10,080.28x = 13,909.98 × 6,550.12
  4. Step 4: Simplify right side
    10,080.28x = 91,112,038.20
  5. Step 5: Solve for x
    x = 91,112,038.20/10,080.28
  6. Step 6: Final answer
    x = 9,038.64

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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.