Home / 8,892.47-13,342.57-4,215.75

Finding the Fourth Proportional to 8,892.47, 13,342.57 and 4,215.75

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Solution

The fourth proportional to 8,892.47, 13,342.57 and 4,215.75 is: 6,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.47 : 13,342.57 = 4,215.75 : x
  2. Step 2: Convert to fraction form
    8,892.47/13,342.57 = 4,215.75/x
  3. Step 3: Cross multiply
    8,892.47x = 13,342.57 × 4,215.75
  4. Step 4: Simplify right side
    8,892.47x = 56,248,928.94
  5. Step 5: Solve for x
    x = 56,248,928.94/8,892.47
  6. Step 6: Final answer
    x = 6,325.46

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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.