Home / 9,820.02-13,551.66-5,628

Finding the Fourth Proportional to 9,820.02, 13,551.66 and 5,628

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Solution

The fourth proportional to 9,820.02, 13,551.66 and 5,628 is: 7,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.02 : 13,551.66 = 5,628 : x
  2. Step 2: Convert to fraction form
    9,820.02/13,551.66 = 5,628/x
  3. Step 3: Cross multiply
    9,820.02x = 13,551.66 × 5,628
  4. Step 4: Simplify right side
    9,820.02x = 76,268,742.48
  5. Step 5: Solve for x
    x = 76,268,742.48/9,820.02
  6. Step 6: Final answer
    x = 7,766.66

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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.