Home / 10,292.81-14,204.12-5,577.12

Finding the Fourth Proportional to 10,292.81, 14,204.12 and 5,577.12

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Solution

The fourth proportional to 10,292.81, 14,204.12 and 5,577.12 is: 7,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.81 : 14,204.12 = 5,577.12 : x
  2. Step 2: Convert to fraction form
    10,292.81/14,204.12 = 5,577.12/x
  3. Step 3: Cross multiply
    10,292.81x = 14,204.12 × 5,577.12
  4. Step 4: Simplify right side
    10,292.81x = 79,218,053.85
  5. Step 5: Solve for x
    x = 79,218,053.85/10,292.81
  6. Step 6: Final answer
    x = 7,696.45

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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.