Home / 10,868.45-14,998.43-6,153.17

Finding the Fourth Proportional to 10,868.45, 14,998.43 and 6,153.17

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Solution

The fourth proportional to 10,868.45, 14,998.43 and 6,153.17 is: 8,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.45 : 14,998.43 = 6,153.17 : x
  2. Step 2: Convert to fraction form
    10,868.45/14,998.43 = 6,153.17/x
  3. Step 3: Cross multiply
    10,868.45x = 14,998.43 × 6,153.17
  4. Step 4: Simplify right side
    10,868.45x = 92,287,829.91
  5. Step 5: Solve for x
    x = 92,287,829.91/10,868.45
  6. Step 6: Final answer
    x = 8,491.36

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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.