Home / 10,868.96-14,998.60-6,153.28

Finding the Fourth Proportional to 10,868.96, 14,998.60 and 6,153.28

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Solution

The fourth proportional to 10,868.96, 14,998.60 and 6,153.28 is: 8,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.96 : 14,998.60 = 6,153.28 : x
  2. Step 2: Convert to fraction form
    10,868.96/14,998.60 = 6,153.28/x
  3. Step 3: Cross multiply
    10,868.96x = 14,998.60 × 6,153.28
  4. Step 4: Simplify right side
    10,868.96x = 92,290,585.41
  5. Step 5: Solve for x
    x = 92,290,585.41/10,868.96
  6. Step 6: Final answer
    x = 8,491.21

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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.