Home / 8,730.72-12,050.10-4,955.58

Finding the Fourth Proportional to 8,730.72, 12,050.10 and 4,955.58

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Solution

The fourth proportional to 8,730.72, 12,050.10 and 4,955.58 is: 6,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.72 : 12,050.10 = 4,955.58 : x
  2. Step 2: Convert to fraction form
    8,730.72/12,050.10 = 4,955.58/x
  3. Step 3: Cross multiply
    8,730.72x = 12,050.10 × 4,955.58
  4. Step 4: Simplify right side
    8,730.72x = 59,715,234.56
  5. Step 5: Solve for x
    x = 59,715,234.56/8,730.72
  6. Step 6: Final answer
    x = 6,839.67

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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.