Home / 8,933.12-13,402.32-7,085.04

Finding the Fourth Proportional to 8,933.12, 13,402.32 and 7,085.04

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Solution

The fourth proportional to 8,933.12, 13,402.32 and 7,085.04 is: 10,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.12 : 13,402.32 = 7,085.04 : x
  2. Step 2: Convert to fraction form
    8,933.12/13,402.32 = 7,085.04/x
  3. Step 3: Cross multiply
    8,933.12x = 13,402.32 × 7,085.04
  4. Step 4: Simplify right side
    8,933.12x = 94,955,973.29
  5. Step 5: Solve for x
    x = 94,955,973.29/8,933.12
  6. Step 6: Final answer
    x = 10,629.65

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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.