Home / 8,877.37-13,312.15-4,716.40

Finding the Fourth Proportional to 8,877.37, 13,312.15 and 4,716.40

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Solution

The fourth proportional to 8,877.37, 13,312.15 and 4,716.40 is: 7,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.37 : 13,312.15 = 4,716.40 : x
  2. Step 2: Convert to fraction form
    8,877.37/13,312.15 = 4,716.40/x
  3. Step 3: Cross multiply
    8,877.37x = 13,312.15 × 4,716.40
  4. Step 4: Simplify right side
    8,877.37x = 62,785,424.26
  5. Step 5: Solve for x
    x = 62,785,424.26/8,877.37
  6. Step 6: Final answer
    x = 7,072.53

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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.