Home / 9,126.76-13,685.58-4,742.92

Finding the Fourth Proportional to 9,126.76, 13,685.58 and 4,742.92

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Solution

The fourth proportional to 9,126.76, 13,685.58 and 4,742.92 is: 7,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.76 : 13,685.58 = 4,742.92 : x
  2. Step 2: Convert to fraction form
    9,126.76/13,685.58 = 4,742.92/x
  3. Step 3: Cross multiply
    9,126.76x = 13,685.58 × 4,742.92
  4. Step 4: Simplify right side
    9,126.76x = 64,909,611.09
  5. Step 5: Solve for x
    x = 64,909,611.09/9,126.76
  6. Step 6: Final answer
    x = 7,112.01

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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.