Home / 9,151.23-12,628.74-4,959.48

Finding the Fourth Proportional to 9,151.23, 12,628.74 and 4,959.48

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Solution

The fourth proportional to 9,151.23, 12,628.74 and 4,959.48 is: 6,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.23 : 12,628.74 = 4,959.48 : x
  2. Step 2: Convert to fraction form
    9,151.23/12,628.74 = 4,959.48/x
  3. Step 3: Cross multiply
    9,151.23x = 12,628.74 × 4,959.48
  4. Step 4: Simplify right side
    9,151.23x = 62,631,983.46
  5. Step 5: Solve for x
    x = 62,631,983.46/9,151.23
  6. Step 6: Final answer
    x = 6,844.11

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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.