Home / 7,816.10-10,783.13-4,826.69

Finding the Fourth Proportional to 7,816.10, 10,783.13 and 4,826.69

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Solution

The fourth proportional to 7,816.10, 10,783.13 and 4,826.69 is: 6,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.10 : 10,783.13 = 4,826.69 : x
  2. Step 2: Convert to fraction form
    7,816.10/10,783.13 = 4,826.69/x
  3. Step 3: Cross multiply
    7,816.10x = 10,783.13 × 4,826.69
  4. Step 4: Simplify right side
    7,816.10x = 52,046,788.13
  5. Step 5: Solve for x
    x = 52,046,788.13/7,816.10
  6. Step 6: Final answer
    x = 6,658.92

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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.