Home / 8,416.97-11,615.47-4,830.97

Finding the Fourth Proportional to 8,416.97, 11,615.47 and 4,830.97

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Solution

The fourth proportional to 8,416.97, 11,615.47 and 4,830.97 is: 6,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.97 : 11,615.47 = 4,830.97 : x
  2. Step 2: Convert to fraction form
    8,416.97/11,615.47 = 4,830.97/x
  3. Step 3: Cross multiply
    8,416.97x = 11,615.47 × 4,830.97
  4. Step 4: Simplify right side
    8,416.97x = 56,113,987.11
  5. Step 5: Solve for x
    x = 56,113,987.11/8,416.97
  6. Step 6: Final answer
    x = 6,666.77

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Half scale
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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.