Home / 11,352.36-15,668.64-6,637.08

Finding the Fourth Proportional to 11,352.36, 15,668.64 and 6,637.08

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Solution

The fourth proportional to 11,352.36, 15,668.64 and 6,637.08 is: 9,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.36 : 15,668.64 = 6,637.08 : x
  2. Step 2: Convert to fraction form
    11,352.36/15,668.64 = 6,637.08/x
  3. Step 3: Cross multiply
    11,352.36x = 15,668.64 × 6,637.08
  4. Step 4: Simplify right side
    11,352.36x = 103,994,017.17
  5. Step 5: Solve for x
    x = 103,994,017.17/11,352.36
  6. Step 6: Final answer
    x = 9,160.56

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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.