Home / 8,325.12-11,492.16-5,182.32

Finding the Fourth Proportional to 8,325.12, 11,492.16 and 5,182.32

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Solution

The fourth proportional to 8,325.12, 11,492.16 and 5,182.32 is: 7,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.12 : 11,492.16 = 5,182.32 : x
  2. Step 2: Convert to fraction form
    8,325.12/11,492.16 = 5,182.32/x
  3. Step 3: Cross multiply
    8,325.12x = 11,492.16 × 5,182.32
  4. Step 4: Simplify right side
    8,325.12x = 59,556,050.61
  5. Step 5: Solve for x
    x = 59,556,050.61/8,325.12
  6. Step 6: Final answer
    x = 7,153.78

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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.