Home / 9,437.76-13,020.48-6,606.72

Finding the Fourth Proportional to 9,437.76, 13,020.48 and 6,606.72

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Solution

The fourth proportional to 9,437.76, 13,020.48 and 6,606.72 is: 9,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.76 : 13,020.48 = 6,606.72 : x
  2. Step 2: Convert to fraction form
    9,437.76/13,020.48 = 6,606.72/x
  3. Step 3: Cross multiply
    9,437.76x = 13,020.48 × 6,606.72
  4. Step 4: Simplify right side
    9,437.76x = 86,022,665.63
  5. Step 5: Solve for x
    x = 86,022,665.63/9,437.76
  6. Step 6: Final answer
    x = 9,114.73

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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.