Home / 11,643.28-16,068.36-6,675.28

Finding the Fourth Proportional to 11,643.28, 16,068.36 and 6,675.28

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Solution

The fourth proportional to 11,643.28, 16,068.36 and 6,675.28 is: 9,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.28 : 16,068.36 = 6,675.28 : x
  2. Step 2: Convert to fraction form
    11,643.28/16,068.36 = 6,675.28/x
  3. Step 3: Cross multiply
    11,643.28x = 16,068.36 × 6,675.28
  4. Step 4: Simplify right side
    11,643.28x = 107,260,802.14
  5. Step 5: Solve for x
    x = 107,260,802.14/11,643.28
  6. Step 6: Final answer
    x = 9,212.25

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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.