Home / 11,688.04-17,531.34-4,762.36

Finding the Fourth Proportional to 11,688.04, 17,531.34 and 4,762.36

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Solution

The fourth proportional to 11,688.04, 17,531.34 and 4,762.36 is: 7,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.04 : 17,531.34 = 4,762.36 : x
  2. Step 2: Convert to fraction form
    11,688.04/17,531.34 = 4,762.36/x
  3. Step 3: Cross multiply
    11,688.04x = 17,531.34 × 4,762.36
  4. Step 4: Simplify right side
    11,688.04x = 83,490,552.36
  5. Step 5: Solve for x
    x = 83,490,552.36/11,688.04
  6. Step 6: Final answer
    x = 7,143.25

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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.