Home / 11,492.46-15,860.40-7,018.62

Finding the Fourth Proportional to 11,492.46, 15,860.40 and 7,018.62

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Solution

The fourth proportional to 11,492.46, 15,860.40 and 7,018.62 is: 9,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.46 : 15,860.40 = 7,018.62 : x
  2. Step 2: Convert to fraction form
    11,492.46/15,860.40 = 7,018.62/x
  3. Step 3: Cross multiply
    11,492.46x = 15,860.40 × 7,018.62
  4. Step 4: Simplify right side
    11,492.46x = 111,318,120.65
  5. Step 5: Solve for x
    x = 111,318,120.65/11,492.46
  6. Step 6: Final answer
    x = 9,686.19

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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.