Home / 9,187.29-13,784.78-4,807.62

Finding the Fourth Proportional to 9,187.29, 13,784.78 and 4,807.62

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Solution

The fourth proportional to 9,187.29, 13,784.78 and 4,807.62 is: 7,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.29 : 13,784.78 = 4,807.62 : x
  2. Step 2: Convert to fraction form
    9,187.29/13,784.78 = 4,807.62/x
  3. Step 3: Cross multiply
    9,187.29x = 13,784.78 × 4,807.62
  4. Step 4: Simplify right side
    9,187.29x = 66,271,996.04
  5. Step 5: Solve for x
    x = 66,271,996.04/9,187.29
  6. Step 6: Final answer
    x = 7,213.44

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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.