Home / 12,126.24-16,732.32-7,652.46

Finding the Fourth Proportional to 12,126.24, 16,732.32 and 7,652.46

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Solution

The fourth proportional to 12,126.24, 16,732.32 and 7,652.46 is: 10,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.24 : 16,732.32 = 7,652.46 : x
  2. Step 2: Convert to fraction form
    12,126.24/16,732.32 = 7,652.46/x
  3. Step 3: Cross multiply
    12,126.24x = 16,732.32 × 7,652.46
  4. Step 4: Simplify right side
    12,126.24x = 128,043,409.51
  5. Step 5: Solve for x
    x = 128,043,409.51/12,126.24
  6. Step 6: Final answer
    x = 10,559.20

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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.