Home / 9,555.21-13,192.43-6,207.56

Finding the Fourth Proportional to 9,555.21, 13,192.43 and 6,207.56

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Solution

The fourth proportional to 9,555.21, 13,192.43 and 6,207.56 is: 8,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.21 : 13,192.43 = 6,207.56 : x
  2. Step 2: Convert to fraction form
    9,555.21/13,192.43 = 6,207.56/x
  3. Step 3: Cross multiply
    9,555.21x = 13,192.43 × 6,207.56
  4. Step 4: Simplify right side
    9,555.21x = 81,892,875.46
  5. Step 5: Solve for x
    x = 81,892,875.46/9,555.21
  6. Step 6: Final answer
    x = 8,570.50

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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.