Home / 8,190.12-11,302.41-4,653.53

Finding the Fourth Proportional to 8,190.12, 11,302.41 and 4,653.53

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Solution

The fourth proportional to 8,190.12, 11,302.41 and 4,653.53 is: 6,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.12 : 11,302.41 = 4,653.53 : x
  2. Step 2: Convert to fraction form
    8,190.12/11,302.41 = 4,653.53/x
  3. Step 3: Cross multiply
    8,190.12x = 11,302.41 × 4,653.53
  4. Step 4: Simplify right side
    8,190.12x = 52,596,024.23
  5. Step 5: Solve for x
    x = 52,596,024.23/8,190.12
  6. Step 6: Final answer
    x = 6,421.89

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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.