Home / 10,868.98-14,998.95-6,153.16

Finding the Fourth Proportional to 10,868.98, 14,998.95 and 6,153.16

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Solution

The fourth proportional to 10,868.98, 14,998.95 and 6,153.16 is: 8,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.98 : 14,998.95 = 6,153.16 : x
  2. Step 2: Convert to fraction form
    10,868.98/14,998.95 = 6,153.16/x
  3. Step 3: Cross multiply
    10,868.98x = 14,998.95 × 6,153.16
  4. Step 4: Simplify right side
    10,868.98x = 92,290,939.18
  5. Step 5: Solve for x
    x = 92,290,939.18/10,868.98
  6. Step 6: Final answer
    x = 8,491.22

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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.