Home / 7,632.77-10,533.33-4,978.66

Finding the Fourth Proportional to 7,632.77, 10,533.33 and 4,978.66

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Solution

The fourth proportional to 7,632.77, 10,533.33 and 4,978.66 is: 6,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.77 : 10,533.33 = 4,978.66 : x
  2. Step 2: Convert to fraction form
    7,632.77/10,533.33 = 4,978.66/x
  3. Step 3: Cross multiply
    7,632.77x = 10,533.33 × 4,978.66
  4. Step 4: Simplify right side
    7,632.77x = 52,441,791.18
  5. Step 5: Solve for x
    x = 52,441,791.18/7,632.77
  6. Step 6: Final answer
    x = 6,870.61

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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.