Home / 8,189.04-11,300.52-4,653.12

Finding the Fourth Proportional to 8,189.04, 11,300.52 and 4,653.12

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Solution

The fourth proportional to 8,189.04, 11,300.52 and 4,653.12 is: 6,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.04 : 11,300.52 = 4,653.12 : x
  2. Step 2: Convert to fraction form
    8,189.04/11,300.52 = 4,653.12/x
  3. Step 3: Cross multiply
    8,189.04x = 11,300.52 × 4,653.12
  4. Step 4: Simplify right side
    8,189.04x = 52,582,675.62
  5. Step 5: Solve for x
    x = 52,582,675.62/8,189.04
  6. Step 6: Final answer
    x = 6,421.10

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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.