Home / 7,656.40-11,484.96-2,726.08

Finding the Fourth Proportional to 7,656.40, 11,484.96 and 2,726.08

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Solution

The fourth proportional to 7,656.40, 11,484.96 and 2,726.08 is: 4,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.40 : 11,484.96 = 2,726.08 : x
  2. Step 2: Convert to fraction form
    7,656.40/11,484.96 = 2,726.08/x
  3. Step 3: Cross multiply
    7,656.40x = 11,484.96 × 2,726.08
  4. Step 4: Simplify right side
    7,656.40x = 31,308,919.76
  5. Step 5: Solve for x
    x = 31,308,919.76/7,656.40
  6. Step 6: Final answer
    x = 4,089.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.