Home / 8,820.99-12,173.02-4,842.14

Finding the Fourth Proportional to 8,820.99, 12,173.02 and 4,842.14

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Solution

The fourth proportional to 8,820.99, 12,173.02 and 4,842.14 is: 6,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.99 : 12,173.02 = 4,842.14 : x
  2. Step 2: Convert to fraction form
    8,820.99/12,173.02 = 4,842.14/x
  3. Step 3: Cross multiply
    8,820.99x = 12,173.02 × 4,842.14
  4. Step 4: Simplify right side
    8,820.99x = 58,943,394.09
  5. Step 5: Solve for x
    x = 58,943,394.09/8,820.99
  6. Step 6: Final answer
    x = 6,682.17

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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.