Home / 10,644.11-14,688.87-6,170.46

Finding the Fourth Proportional to 10,644.11, 14,688.87 and 6,170.46

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Solution

The fourth proportional to 10,644.11, 14,688.87 and 6,170.46 is: 8,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.11 : 14,688.87 = 6,170.46 : x
  2. Step 2: Convert to fraction form
    10,644.11/14,688.87 = 6,170.46/x
  3. Step 3: Cross multiply
    10,644.11x = 14,688.87 × 6,170.46
  4. Step 4: Simplify right side
    10,644.11x = 90,637,084.78
  5. Step 5: Solve for x
    x = 90,637,084.78/10,644.11
  6. Step 6: Final answer
    x = 8,515.24

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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.