Home / 8,770.83-12,105.95-5,632.49

Finding the Fourth Proportional to 8,770.83, 12,105.95 and 5,632.49

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Solution

The fourth proportional to 8,770.83, 12,105.95 and 5,632.49 is: 7,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.83 : 12,105.95 = 5,632.49 : x
  2. Step 2: Convert to fraction form
    8,770.83/12,105.95 = 5,632.49/x
  3. Step 3: Cross multiply
    8,770.83x = 12,105.95 × 5,632.49
  4. Step 4: Simplify right side
    8,770.83x = 68,186,581.79
  5. Step 5: Solve for x
    x = 68,186,581.79/8,770.83
  6. Step 6: Final answer
    x = 7,774.25

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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.