Home / 7,701.76-11,558.58-5,731.84

Finding the Fourth Proportional to 7,701.76, 11,558.58 and 5,731.84

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Solution

The fourth proportional to 7,701.76, 11,558.58 and 5,731.84 is: 8,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.76 : 11,558.58 = 5,731.84 : x
  2. Step 2: Convert to fraction form
    7,701.76/11,558.58 = 5,731.84/x
  3. Step 3: Cross multiply
    7,701.76x = 11,558.58 × 5,731.84
  4. Step 4: Simplify right side
    7,701.76x = 66,251,931.19
  5. Step 5: Solve for x
    x = 66,251,931.19/7,701.76
  6. Step 6: Final answer
    x = 8,602.18

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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.