Home / 7,875.63-10,867.19-4,518.59

Finding the Fourth Proportional to 7,875.63, 10,867.19 and 4,518.59

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Solution

The fourth proportional to 7,875.63, 10,867.19 and 4,518.59 is: 6,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.63 : 10,867.19 = 4,518.59 : x
  2. Step 2: Convert to fraction form
    7,875.63/10,867.19 = 4,518.59/x
  3. Step 3: Cross multiply
    7,875.63x = 10,867.19 × 4,518.59
  4. Step 4: Simplify right side
    7,875.63x = 49,104,299.13
  5. Step 5: Solve for x
    x = 49,104,299.13/7,875.63
  6. Step 6: Final answer
    x = 6,234.97

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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.