Home / 10,077.81-15,116.69-2,682.27

Finding the Fourth Proportional to 10,077.81, 15,116.69 and 2,682.27

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Solution

The fourth proportional to 10,077.81, 15,116.69 and 2,682.27 is: 4,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.81 : 15,116.69 = 2,682.27 : x
  2. Step 2: Convert to fraction form
    10,077.81/15,116.69 = 2,682.27/x
  3. Step 3: Cross multiply
    10,077.81x = 15,116.69 × 2,682.27
  4. Step 4: Simplify right side
    10,077.81x = 40,547,044.09
  5. Step 5: Solve for x
    x = 40,547,044.09/10,077.81
  6. Step 6: Final answer
    x = 4,023.40

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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.