Home / 10,386.36-14,333.76-5,671.08

Finding the Fourth Proportional to 10,386.36, 14,333.76 and 5,671.08

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Solution

The fourth proportional to 10,386.36, 14,333.76 and 5,671.08 is: 7,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.36 : 14,333.76 = 5,671.08 : x
  2. Step 2: Convert to fraction form
    10,386.36/14,333.76 = 5,671.08/x
  3. Step 3: Cross multiply
    10,386.36x = 14,333.76 × 5,671.08
  4. Step 4: Simplify right side
    10,386.36x = 81,287,899.66
  5. Step 5: Solve for x
    x = 81,287,899.66/10,386.36
  6. Step 6: Final answer
    x = 7,826.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.