Home / 10,868.02-14,998.70-6,153

Finding the Fourth Proportional to 10,868.02, 14,998.70 and 6,153

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Solution

The fourth proportional to 10,868.02, 14,998.70 and 6,153 is: 8,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.02 : 14,998.70 = 6,153 : x
  2. Step 2: Convert to fraction form
    10,868.02/14,998.70 = 6,153/x
  3. Step 3: Cross multiply
    10,868.02x = 14,998.70 × 6,153
  4. Step 4: Simplify right side
    10,868.02x = 92,287,001.10
  5. Step 5: Solve for x
    x = 92,287,001.10/10,868.02
  6. Step 6: Final answer
    x = 8,491.61

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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.