Home / 9,290.10-13,985.85-8,473.62

Finding the Fourth Proportional to 9,290.10, 13,985.85 and 8,473.62

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Solution

The fourth proportional to 9,290.10, 13,985.85 and 8,473.62 is: 12,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.10 : 13,985.85 = 8,473.62 : x
  2. Step 2: Convert to fraction form
    9,290.10/13,985.85 = 8,473.62/x
  3. Step 3: Cross multiply
    9,290.10x = 13,985.85 × 8,473.62
  4. Step 4: Simplify right side
    9,290.10x = 118,510,778.28
  5. Step 5: Solve for x
    x = 118,510,778.28/9,290.10
  6. Step 6: Final answer
    x = 12,756.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.