Home / 7,826.90-10,800.96-4,684.10

Finding the Fourth Proportional to 7,826.90, 10,800.96 and 4,684.10

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Solution

The fourth proportional to 7,826.90, 10,800.96 and 4,684.10 is: 6,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.90 : 10,800.96 = 4,684.10 : x
  2. Step 2: Convert to fraction form
    7,826.90/10,800.96 = 4,684.10/x
  3. Step 3: Cross multiply
    7,826.90x = 10,800.96 × 4,684.10
  4. Step 4: Simplify right side
    7,826.90x = 50,592,776.74
  5. Step 5: Solve for x
    x = 50,592,776.74/7,826.90
  6. Step 6: Final answer
    x = 6,463.96

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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.