Home / 8,586.41-12,879.20-5,030.51

Finding the Fourth Proportional to 8,586.41, 12,879.20 and 5,030.51

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Solution

The fourth proportional to 8,586.41, 12,879.20 and 5,030.51 is: 7,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.41 : 12,879.20 = 5,030.51 : x
  2. Step 2: Convert to fraction form
    8,586.41/12,879.20 = 5,030.51/x
  3. Step 3: Cross multiply
    8,586.41x = 12,879.20 × 5,030.51
  4. Step 4: Simplify right side
    8,586.41x = 64,788,892.57
  5. Step 5: Solve for x
    x = 64,788,892.57/8,586.41
  6. Step 6: Final answer
    x = 7,545.52

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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.