Home / 9,415.74-14,121.14-4,475.55

Finding the Fourth Proportional to 9,415.74, 14,121.14 and 4,475.55

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Solution

The fourth proportional to 9,415.74, 14,121.14 and 4,475.55 is: 6,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.74 : 14,121.14 = 4,475.55 : x
  2. Step 2: Convert to fraction form
    9,415.74/14,121.14 = 4,475.55/x
  3. Step 3: Cross multiply
    9,415.74x = 14,121.14 × 4,475.55
  4. Step 4: Simplify right side
    9,415.74x = 63,199,845.75
  5. Step 5: Solve for x
    x = 63,199,845.75/9,415.74
  6. Step 6: Final answer
    x = 6,712.15

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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.