Home / 11,625.04-16,042.08-6,909.28

Finding the Fourth Proportional to 11,625.04, 16,042.08 and 6,909.28

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Solution

The fourth proportional to 11,625.04, 16,042.08 and 6,909.28 is: 9,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.04 : 16,042.08 = 6,909.28 : x
  2. Step 2: Convert to fraction form
    11,625.04/16,042.08 = 6,909.28/x
  3. Step 3: Cross multiply
    11,625.04x = 16,042.08 × 6,909.28
  4. Step 4: Simplify right side
    11,625.04x = 110,839,222.50
  5. Step 5: Solve for x
    x = 110,839,222.50/11,625.04
  6. Step 6: Final answer
    x = 9,534.52

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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.