Home / 11,752.40-17,621.48-4,628.10

Finding the Fourth Proportional to 11,752.40, 17,621.48 and 4,628.10

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Solution

The fourth proportional to 11,752.40, 17,621.48 and 4,628.10 is: 6,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.40 : 17,621.48 = 4,628.10 : x
  2. Step 2: Convert to fraction form
    11,752.40/17,621.48 = 4,628.10/x
  3. Step 3: Cross multiply
    11,752.40x = 17,621.48 × 4,628.10
  4. Step 4: Simplify right side
    11,752.40x = 81,553,971.59
  5. Step 5: Solve for x
    x = 81,553,971.59/11,752.40
  6. Step 6: Final answer
    x = 6,939.35

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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.