Home / 7,881.23-10,876.73-4,345.04

Finding the Fourth Proportional to 7,881.23, 10,876.73 and 4,345.04

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Solution

The fourth proportional to 7,881.23, 10,876.73 and 4,345.04 is: 5,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.23 : 10,876.73 = 4,345.04 : x
  2. Step 2: Convert to fraction form
    7,881.23/10,876.73 = 4,345.04/x
  3. Step 3: Cross multiply
    7,881.23x = 10,876.73 × 4,345.04
  4. Step 4: Simplify right side
    7,881.23x = 47,259,750.81
  5. Step 5: Solve for x
    x = 47,259,750.81/7,881.23
  6. Step 6: Final answer
    x = 5,996.50

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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.