Home / 8,533.74-11,777.16-5,176.71

Finding the Fourth Proportional to 8,533.74, 11,777.16 and 5,176.71

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Solution

The fourth proportional to 8,533.74, 11,777.16 and 5,176.71 is: 7,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.74 : 11,777.16 = 5,176.71 : x
  2. Step 2: Convert to fraction form
    8,533.74/11,777.16 = 5,176.71/x
  3. Step 3: Cross multiply
    8,533.74x = 11,777.16 × 5,176.71
  4. Step 4: Simplify right side
    8,533.74x = 60,966,941.94
  5. Step 5: Solve for x
    x = 60,966,941.94/8,533.74
  6. Step 6: Final answer
    x = 7,144.22

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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.