Home / 7,881.03-11,875.55-6,524.75

Finding the Fourth Proportional to 7,881.03, 11,875.55 and 6,524.75

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Solution

The fourth proportional to 7,881.03, 11,875.55 and 6,524.75 is: 9,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.03 : 11,875.55 = 6,524.75 : x
  2. Step 2: Convert to fraction form
    7,881.03/11,875.55 = 6,524.75/x
  3. Step 3: Cross multiply
    7,881.03x = 11,875.55 × 6,524.75
  4. Step 4: Simplify right side
    7,881.03x = 77,484,991.93
  5. Step 5: Solve for x
    x = 77,484,991.93/7,881.03
  6. Step 6: Final answer
    x = 9,831.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.