Home / 9,925.78-14,884.88-3,260.70

Finding the Fourth Proportional to 9,925.78, 14,884.88 and 3,260.70

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Solution

The fourth proportional to 9,925.78, 14,884.88 and 3,260.70 is: 4,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.78 : 14,884.88 = 3,260.70 : x
  2. Step 2: Convert to fraction form
    9,925.78/14,884.88 = 3,260.70/x
  3. Step 3: Cross multiply
    9,925.78x = 14,884.88 × 3,260.70
  4. Step 4: Simplify right side
    9,925.78x = 48,535,128.22
  5. Step 5: Solve for x
    x = 48,535,128.22/9,925.78
  6. Step 6: Final answer
    x = 4,889.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.