Home / 10,621.74-14,652.27-6,645.03

Finding the Fourth Proportional to 10,621.74, 14,652.27 and 6,645.03

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Solution

The fourth proportional to 10,621.74, 14,652.27 and 6,645.03 is: 9,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.74 : 14,652.27 = 6,645.03 : x
  2. Step 2: Convert to fraction form
    10,621.74/14,652.27 = 6,645.03/x
  3. Step 3: Cross multiply
    10,621.74x = 14,652.27 × 6,645.03
  4. Step 4: Simplify right side
    10,621.74x = 97,364,773.72
  5. Step 5: Solve for x
    x = 97,364,773.72/10,621.74
  6. Step 6: Final answer
    x = 9,166.56

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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.