Home / 7,240.88-10,840.65-4,768.16

Finding the Fourth Proportional to 7,240.88, 10,840.65 and 4,768.16

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Solution

The fourth proportional to 7,240.88, 10,840.65 and 4,768.16 is: 7,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.88 : 10,840.65 = 4,768.16 : x
  2. Step 2: Convert to fraction form
    7,240.88/10,840.65 = 4,768.16/x
  3. Step 3: Cross multiply
    7,240.88x = 10,840.65 × 4,768.16
  4. Step 4: Simplify right side
    7,240.88x = 51,689,899.50
  5. Step 5: Solve for x
    x = 51,689,899.50/7,240.88
  6. Step 6: Final answer
    x = 7,138.63

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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.