Home / 9,893.75-13,653.14-5,417.69

Finding the Fourth Proportional to 9,893.75, 13,653.14 and 5,417.69

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Solution

The fourth proportional to 9,893.75, 13,653.14 and 5,417.69 is: 7,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893.75 : 13,653.14 = 5,417.69 : x
  2. Step 2: Convert to fraction form
    9,893.75/13,653.14 = 5,417.69/x
  3. Step 3: Cross multiply
    9,893.75x = 13,653.14 × 5,417.69
  4. Step 4: Simplify right side
    9,893.75x = 73,968,384.69
  5. Step 5: Solve for x
    x = 73,968,384.69/9,893.75
  6. Step 6: Final answer
    x = 7,476.28

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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.