Home / 7,118.32-10,670.16-2,732.32

Finding the Fourth Proportional to 7,118.32, 10,670.16 and 2,732.32

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Solution

The fourth proportional to 7,118.32, 10,670.16 and 2,732.32 is: 4,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.32 : 10,670.16 = 2,732.32 : x
  2. Step 2: Convert to fraction form
    7,118.32/10,670.16 = 2,732.32/x
  3. Step 3: Cross multiply
    7,118.32x = 10,670.16 × 2,732.32
  4. Step 4: Simplify right side
    7,118.32x = 29,154,291.57
  5. Step 5: Solve for x
    x = 29,154,291.57/7,118.32
  6. Step 6: Final answer
    x = 4,095.67

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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.