Home / 8,938.58-13,408.51-2,364.69

Finding the Fourth Proportional to 8,938.58, 13,408.51 and 2,364.69

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Solution

The fourth proportional to 8,938.58, 13,408.51 and 2,364.69 is: 3,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.58 : 13,408.51 = 2,364.69 : x
  2. Step 2: Convert to fraction form
    8,938.58/13,408.51 = 2,364.69/x
  3. Step 3: Cross multiply
    8,938.58x = 13,408.51 × 2,364.69
  4. Step 4: Simplify right side
    8,938.58x = 31,706,969.51
  5. Step 5: Solve for x
    x = 31,706,969.51/8,938.58
  6. Step 6: Final answer
    x = 3,547.20

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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.