Home / 12,152.51-18,235.94-5,132.07

Finding the Fourth Proportional to 12,152.51, 18,235.94 and 5,132.07

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Solution

The fourth proportional to 12,152.51, 18,235.94 and 5,132.07 is: 7,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.51 : 18,235.94 = 5,132.07 : x
  2. Step 2: Convert to fraction form
    12,152.51/18,235.94 = 5,132.07/x
  3. Step 3: Cross multiply
    12,152.51x = 18,235.94 × 5,132.07
  4. Step 4: Simplify right side
    12,152.51x = 93,588,094.94
  5. Step 5: Solve for x
    x = 93,588,094.94/12,152.51
  6. Step 6: Final answer
    x = 7,701.14

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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.