Home / 10,869.05-14,998.86-6,153.33

Finding the Fourth Proportional to 10,869.05, 14,998.86 and 6,153.33

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Solution

The fourth proportional to 10,869.05, 14,998.86 and 6,153.33 is: 8,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.05 : 14,998.86 = 6,153.33 : x
  2. Step 2: Convert to fraction form
    10,869.05/14,998.86 = 6,153.33/x
  3. Step 3: Cross multiply
    10,869.05x = 14,998.86 × 6,153.33
  4. Step 4: Simplify right side
    10,869.05x = 92,292,919.82
  5. Step 5: Solve for x
    x = 92,292,919.82/10,869.05
  6. Step 6: Final answer
    x = 8,491.35

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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.