Home / 10,350.78-14,284.13-5,635.07

Finding the Fourth Proportional to 10,350.78, 14,284.13 and 5,635.07

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Solution

The fourth proportional to 10,350.78, 14,284.13 and 5,635.07 is: 7,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.78 : 14,284.13 = 5,635.07 : x
  2. Step 2: Convert to fraction form
    10,350.78/14,284.13 = 5,635.07/x
  3. Step 3: Cross multiply
    10,350.78x = 14,284.13 × 5,635.07
  4. Step 4: Simplify right side
    10,350.78x = 80,492,001.02
  5. Step 5: Solve for x
    x = 80,492,001.02/10,350.78
  6. Step 6: Final answer
    x = 7,776.42

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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.