Home / 10,262.34-14,167.17-7,988.67

Finding the Fourth Proportional to 10,262.34, 14,167.17 and 7,988.67

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Solution

The fourth proportional to 10,262.34, 14,167.17 and 7,988.67 is: 11,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.34 : 14,167.17 = 7,988.67 : x
  2. Step 2: Convert to fraction form
    10,262.34/14,167.17 = 7,988.67/x
  3. Step 3: Cross multiply
    10,262.34x = 14,167.17 × 7,988.67
  4. Step 4: Simplify right side
    10,262.34x = 113,176,845.96
  5. Step 5: Solve for x
    x = 113,176,845.96/10,262.34
  6. Step 6: Final answer
    x = 11,028.37

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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.