Home / 7,984.58-11,018.57-4,627.53

Finding the Fourth Proportional to 7,984.58, 11,018.57 and 4,627.53

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Solution

The fourth proportional to 7,984.58, 11,018.57 and 4,627.53 is: 6,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.58 : 11,018.57 = 4,627.53 : x
  2. Step 2: Convert to fraction form
    7,984.58/11,018.57 = 4,627.53/x
  3. Step 3: Cross multiply
    7,984.58x = 11,018.57 × 4,627.53
  4. Step 4: Simplify right side
    7,984.58x = 50,988,740.09
  5. Step 5: Solve for x
    x = 50,988,740.09/7,984.58
  6. Step 6: Final answer
    x = 6,385.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.