Home / 9,816.23-13,550.82-6,460.81

Finding the Fourth Proportional to 9,816.23, 13,550.82 and 6,460.81

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Solution

The fourth proportional to 9,816.23, 13,550.82 and 6,460.81 is: 8,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.23 : 13,550.82 = 6,460.81 : x
  2. Step 2: Convert to fraction form
    9,816.23/13,550.82 = 6,460.81/x
  3. Step 3: Cross multiply
    9,816.23x = 13,550.82 × 6,460.81
  4. Step 4: Simplify right side
    9,816.23x = 87,549,205.61
  5. Step 5: Solve for x
    x = 87,549,205.61/9,816.23
  6. Step 6: Final answer
    x = 8,918.82

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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.