Home / 9,151.40-12,621.02-5,963.52

Finding the Fourth Proportional to 9,151.40, 12,621.02 and 5,963.52

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Solution

The fourth proportional to 9,151.40, 12,621.02 and 5,963.52 is: 8,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.40 : 12,621.02 = 5,963.52 : x
  2. Step 2: Convert to fraction form
    9,151.40/12,621.02 = 5,963.52/x
  3. Step 3: Cross multiply
    9,151.40x = 12,621.02 × 5,963.52
  4. Step 4: Simplify right side
    9,151.40x = 75,265,705.19
  5. Step 5: Solve for x
    x = 75,265,705.19/9,151.40
  6. Step 6: Final answer
    x = 8,224.50

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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.