Home / 7,602.18-10,485.87-6,605.73

Finding the Fourth Proportional to 7,602.18, 10,485.87 and 6,605.73

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Solution

The fourth proportional to 7,602.18, 10,485.87 and 6,605.73 is: 9,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.18 : 10,485.87 = 6,605.73 : x
  2. Step 2: Convert to fraction form
    7,602.18/10,485.87 = 6,605.73/x
  3. Step 3: Cross multiply
    7,602.18x = 10,485.87 × 6,605.73
  4. Step 4: Simplify right side
    7,602.18x = 69,266,826.04
  5. Step 5: Solve for x
    x = 69,266,826.04/7,602.18
  6. Step 6: Final answer
    x = 9,111.44

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Half scale
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Double 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.