Home / 11,473.56-15,842.84-9,349.40

Finding the Fourth Proportional to 11,473.56, 15,842.84 and 9,349.40

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Solution

The fourth proportional to 11,473.56, 15,842.84 and 9,349.40 is: 12,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.56 : 15,842.84 = 9,349.40 : x
  2. Step 2: Convert to fraction form
    11,473.56/15,842.84 = 9,349.40/x
  3. Step 3: Cross multiply
    11,473.56x = 15,842.84 × 9,349.40
  4. Step 4: Simplify right side
    11,473.56x = 148,121,048.30
  5. Step 5: Solve for x
    x = 148,121,048.30/11,473.56
  6. Step 6: Final answer
    x = 12,909.77

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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.