Home / 9,925.88-13,698.05-5,450.13

Finding the Fourth Proportional to 9,925.88, 13,698.05 and 5,450.13

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Solution

The fourth proportional to 9,925.88, 13,698.05 and 5,450.13 is: 7,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.88 : 13,698.05 = 5,450.13 : x
  2. Step 2: Convert to fraction form
    9,925.88/13,698.05 = 5,450.13/x
  3. Step 3: Cross multiply
    9,925.88x = 13,698.05 × 5,450.13
  4. Step 4: Simplify right side
    9,925.88x = 74,656,126.00
  5. Step 5: Solve for x
    x = 74,656,126.00/9,925.88
  6. Step 6: Final answer
    x = 7,521.36

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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.