Home / 12,475.16-18,698.57-4,153.22

Finding the Fourth Proportional to 12,475.16, 18,698.57 and 4,153.22

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Solution

The fourth proportional to 12,475.16, 18,698.57 and 4,153.22 is: 6,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.16 : 18,698.57 = 4,153.22 : x
  2. Step 2: Convert to fraction form
    12,475.16/18,698.57 = 4,153.22/x
  3. Step 3: Cross multiply
    12,475.16x = 18,698.57 × 4,153.22
  4. Step 4: Simplify right side
    12,475.16x = 77,659,274.90
  5. Step 5: Solve for x
    x = 77,659,274.90/12,475.16
  6. Step 6: Final answer
    x = 6,225.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.