Home / 9,645.40-14,455.50-5,261.68

Finding the Fourth Proportional to 9,645.40, 14,455.50 and 5,261.68

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Solution

The fourth proportional to 9,645.40, 14,455.50 and 5,261.68 is: 7,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.40 : 14,455.50 = 5,261.68 : x
  2. Step 2: Convert to fraction form
    9,645.40/14,455.50 = 5,261.68/x
  3. Step 3: Cross multiply
    9,645.40x = 14,455.50 × 5,261.68
  4. Step 4: Simplify right side
    9,645.40x = 76,060,215.24
  5. Step 5: Solve for x
    x = 76,060,215.24/9,645.40
  6. Step 6: Final answer
    x = 7,885.65

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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.