Home / 7,875.06-11,789.55-4,776.18

Finding the Fourth Proportional to 7,875.06, 11,789.55 and 4,776.18

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Solution

The fourth proportional to 7,875.06, 11,789.55 and 4,776.18 is: 7,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.06 : 11,789.55 = 4,776.18 : x
  2. Step 2: Convert to fraction form
    7,875.06/11,789.55 = 4,776.18/x
  3. Step 3: Cross multiply
    7,875.06x = 11,789.55 × 4,776.18
  4. Step 4: Simplify right side
    7,875.06x = 56,309,012.92
  5. Step 5: Solve for x
    x = 56,309,012.92/7,875.06
  6. Step 6: Final answer
    x = 7,150.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.