Home / 7,988.15-11,023.70-4,632.96

Finding the Fourth Proportional to 7,988.15, 11,023.70 and 4,632.96

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Solution

The fourth proportional to 7,988.15, 11,023.70 and 4,632.96 is: 6,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.15 : 11,023.70 = 4,632.96 : x
  2. Step 2: Convert to fraction form
    7,988.15/11,023.70 = 4,632.96/x
  3. Step 3: Cross multiply
    7,988.15x = 11,023.70 × 4,632.96
  4. Step 4: Simplify right side
    7,988.15x = 51,072,296.65
  5. Step 5: Solve for x
    x = 51,072,296.65/7,988.15
  6. Step 6: Final answer
    x = 6,393.51

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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.