Home / 8,953.84-12,355.57-5,177.25

Finding the Fourth Proportional to 8,953.84, 12,355.57 and 5,177.25

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Solution

The fourth proportional to 8,953.84, 12,355.57 and 5,177.25 is: 7,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.84 : 12,355.57 = 5,177.25 : x
  2. Step 2: Convert to fraction form
    8,953.84/12,355.57 = 5,177.25/x
  3. Step 3: Cross multiply
    8,953.84x = 12,355.57 × 5,177.25
  4. Step 4: Simplify right side
    8,953.84x = 63,967,813.00
  5. Step 5: Solve for x
    x = 63,967,813.00/8,953.84
  6. Step 6: Final answer
    x = 7,144.18

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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.