Home / 8,461.02-11,675.07-4,921.50

Finding the Fourth Proportional to 8,461.02, 11,675.07 and 4,921.50

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Solution

The fourth proportional to 8,461.02, 11,675.07 and 4,921.50 is: 6,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.02 : 11,675.07 = 4,921.50 : x
  2. Step 2: Convert to fraction form
    8,461.02/11,675.07 = 4,921.50/x
  3. Step 3: Cross multiply
    8,461.02x = 11,675.07 × 4,921.50
  4. Step 4: Simplify right side
    8,461.02x = 57,458,857.01
  5. Step 5: Solve for x
    x = 57,458,857.01/8,461.02
  6. Step 6: Final answer
    x = 6,791.01

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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.