Home / 8,460.24-11,671.56-5,666.64

Finding the Fourth Proportional to 8,460.24, 11,671.56 and 5,666.64

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Solution

The fourth proportional to 8,460.24, 11,671.56 and 5,666.64 is: 7,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.24 : 11,671.56 = 5,666.64 : x
  2. Step 2: Convert to fraction form
    8,460.24/11,671.56 = 5,666.64/x
  3. Step 3: Cross multiply
    8,460.24x = 11,671.56 × 5,666.64
  4. Step 4: Simplify right side
    8,460.24x = 66,138,528.76
  5. Step 5: Solve for x
    x = 66,138,528.76/8,460.24
  6. Step 6: Final answer
    x = 7,817.57

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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.