Home / 7,816.76-10,786.91-4,459.51

Finding the Fourth Proportional to 7,816.76, 10,786.91 and 4,459.51

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Solution

The fourth proportional to 7,816.76, 10,786.91 and 4,459.51 is: 6,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.76 : 10,786.91 = 4,459.51 : x
  2. Step 2: Convert to fraction form
    7,816.76/10,786.91 = 4,459.51/x
  3. Step 3: Cross multiply
    7,816.76x = 10,786.91 × 4,459.51
  4. Step 4: Simplify right side
    7,816.76x = 48,104,279.08
  5. Step 5: Solve for x
    x = 48,104,279.08/7,816.76
  6. Step 6: Final answer
    x = 6,153.99

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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.