Home / 10,211.08-15,303.64-8,824.36

Finding the Fourth Proportional to 10,211.08, 15,303.64 and 8,824.36

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Solution

The fourth proportional to 10,211.08, 15,303.64 and 8,824.36 is: 13,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.08 : 15,303.64 = 8,824.36 : x
  2. Step 2: Convert to fraction form
    10,211.08/15,303.64 = 8,824.36/x
  3. Step 3: Cross multiply
    10,211.08x = 15,303.64 × 8,824.36
  4. Step 4: Simplify right side
    10,211.08x = 135,044,828.67
  5. Step 5: Solve for x
    x = 135,044,828.67/10,211.08
  6. Step 6: Final answer
    x = 13,225.32

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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.