Home / 8,312.21-11,472.33-4,955.24

Finding the Fourth Proportional to 8,312.21, 11,472.33 and 4,955.24

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Solution

The fourth proportional to 8,312.21, 11,472.33 and 4,955.24 is: 6,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.21 : 11,472.33 = 4,955.24 : x
  2. Step 2: Convert to fraction form
    8,312.21/11,472.33 = 4,955.24/x
  3. Step 3: Cross multiply
    8,312.21x = 11,472.33 × 4,955.24
  4. Step 4: Simplify right side
    8,312.21x = 56,848,148.51
  5. Step 5: Solve for x
    x = 56,848,148.51/8,312.21
  6. Step 6: Final answer
    x = 6,839.11

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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.