Home / 10,938.13-16,408.95-4,701.13

Finding the Fourth Proportional to 10,938.13, 16,408.95 and 4,701.13

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Solution

The fourth proportional to 10,938.13, 16,408.95 and 4,701.13 is: 7,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.13 : 16,408.95 = 4,701.13 : x
  2. Step 2: Convert to fraction form
    10,938.13/16,408.95 = 4,701.13/x
  3. Step 3: Cross multiply
    10,938.13x = 16,408.95 × 4,701.13
  4. Step 4: Simplify right side
    10,938.13x = 77,140,607.11
  5. Step 5: Solve for x
    x = 77,140,607.11/10,938.13
  6. Step 6: Final answer
    x = 7,052.45

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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.