Home / 11,412.48-17,115.60-4,838.40

Finding the Fourth Proportional to 11,412.48, 17,115.60 and 4,838.40

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Solution

The fourth proportional to 11,412.48, 17,115.60 and 4,838.40 is: 7,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.48 : 17,115.60 = 4,838.40 : x
  2. Step 2: Convert to fraction form
    11,412.48/17,115.60 = 4,838.40/x
  3. Step 3: Cross multiply
    11,412.48x = 17,115.60 × 4,838.40
  4. Step 4: Simplify right side
    11,412.48x = 82,812,119.04
  5. Step 5: Solve for x
    x = 82,812,119.04/11,412.48
  6. Step 6: Final answer
    x = 7,256.28

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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.