Home / 7,591.77-11,378.34-4,307.63

Finding the Fourth Proportional to 7,591.77, 11,378.34 and 4,307.63

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Solution

The fourth proportional to 7,591.77, 11,378.34 and 4,307.63 is: 6,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.77 : 11,378.34 = 4,307.63 : x
  2. Step 2: Convert to fraction form
    7,591.77/11,378.34 = 4,307.63/x
  3. Step 3: Cross multiply
    7,591.77x = 11,378.34 × 4,307.63
  4. Step 4: Simplify right side
    7,591.77x = 49,013,621.84
  5. Step 5: Solve for x
    x = 49,013,621.84/7,591.77
  6. Step 6: Final answer
    x = 6,456.15

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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.