Home / 10,066.90-15,083.19-6,551.56

Finding the Fourth Proportional to 10,066.90, 15,083.19 and 6,551.56

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Solution

The fourth proportional to 10,066.90, 15,083.19 and 6,551.56 is: 9,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.90 : 15,083.19 = 6,551.56 : x
  2. Step 2: Convert to fraction form
    10,066.90/15,083.19 = 6,551.56/x
  3. Step 3: Cross multiply
    10,066.90x = 15,083.19 × 6,551.56
  4. Step 4: Simplify right side
    10,066.90x = 98,818,424.28
  5. Step 5: Solve for x
    x = 98,818,424.28/10,066.90
  6. Step 6: Final answer
    x = 9,816.17

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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.