Home / 8,815.50-12,165.93-4,837.23

Finding the Fourth Proportional to 8,815.50, 12,165.93 and 4,837.23

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Solution

The fourth proportional to 8,815.50, 12,165.93 and 4,837.23 is: 6,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.50 : 12,165.93 = 4,837.23 : x
  2. Step 2: Convert to fraction form
    8,815.50/12,165.93 = 4,837.23/x
  3. Step 3: Cross multiply
    8,815.50x = 12,165.93 × 4,837.23
  4. Step 4: Simplify right side
    8,815.50x = 58,849,401.57
  5. Step 5: Solve for x
    x = 58,849,401.57/8,815.50
  6. Step 6: Final answer
    x = 6,675.67

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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.