Home / 7,885.31-10,881.81-4,348.67

Finding the Fourth Proportional to 7,885.31, 10,881.81 and 4,348.67

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Solution

The fourth proportional to 7,885.31, 10,881.81 and 4,348.67 is: 6,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.31 : 10,881.81 = 4,348.67 : x
  2. Step 2: Convert to fraction form
    7,885.31/10,881.81 = 4,348.67/x
  3. Step 3: Cross multiply
    7,885.31x = 10,881.81 × 4,348.67
  4. Step 4: Simplify right side
    7,885.31x = 47,321,346.28
  5. Step 5: Solve for x
    x = 47,321,346.28/7,885.31
  6. Step 6: Final answer
    x = 6,001.21

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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.