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Finding the Fourth Proportional to 9,237.93, 12,749.30 and 5,655.30

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Solution

The fourth proportional to 9,237.93, 12,749.30 and 5,655.30 is: 7,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.93 : 12,749.30 = 5,655.30 : x
  2. Step 2: Convert to fraction form
    9,237.93/12,749.30 = 5,655.30/x
  3. Step 3: Cross multiply
    9,237.93x = 12,749.30 × 5,655.30
  4. Step 4: Simplify right side
    9,237.93x = 72,101,116.29
  5. Step 5: Solve for x
    x = 72,101,116.29/9,237.93
  6. Step 6: Final answer
    x = 7,804.90

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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.