Home / 11,242.65-16,826.91-10,012.47

Finding the Fourth Proportional to 11,242.65, 16,826.91 and 10,012.47

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Solution

The fourth proportional to 11,242.65, 16,826.91 and 10,012.47 is: 14,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.65 : 16,826.91 = 10,012.47 : x
  2. Step 2: Convert to fraction form
    11,242.65/16,826.91 = 10,012.47/x
  3. Step 3: Cross multiply
    11,242.65x = 16,826.91 × 10,012.47
  4. Step 4: Simplify right side
    11,242.65x = 168,478,931.57
  5. Step 5: Solve for x
    x = 168,478,931.57/11,242.65
  6. Step 6: Final answer
    x = 14,985.70

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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.