Home / 9,177.44-12,664.89-4,985.69

Finding the Fourth Proportional to 9,177.44, 12,664.89 and 4,985.69

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Solution

The fourth proportional to 9,177.44, 12,664.89 and 4,985.69 is: 6,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.44 : 12,664.89 = 4,985.69 : x
  2. Step 2: Convert to fraction form
    9,177.44/12,664.89 = 4,985.69/x
  3. Step 3: Cross multiply
    9,177.44x = 12,664.89 × 4,985.69
  4. Step 4: Simplify right side
    9,177.44x = 63,143,152.10
  5. Step 5: Solve for x
    x = 63,143,152.10/9,177.44
  6. Step 6: Final answer
    x = 6,880.26

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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.