Home / 10,293.83-14,205.51-5,578.11

Finding the Fourth Proportional to 10,293.83, 14,205.51 and 5,578.11

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Solution

The fourth proportional to 10,293.83, 14,205.51 and 5,578.11 is: 7,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.83 : 14,205.51 = 5,578.11 : x
  2. Step 2: Convert to fraction form
    10,293.83/14,205.51 = 5,578.11/x
  3. Step 3: Cross multiply
    10,293.83x = 14,205.51 × 5,578.11
  4. Step 4: Simplify right side
    10,293.83x = 79,239,897.39
  5. Step 5: Solve for x
    x = 79,239,897.39/10,293.83
  6. Step 6: Final answer
    x = 7,697.81

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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.