Home / 10,133.17-13,985.19-5,657.21

Finding the Fourth Proportional to 10,133.17, 13,985.19 and 5,657.21

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Solution

The fourth proportional to 10,133.17, 13,985.19 and 5,657.21 is: 7,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.17 : 13,985.19 = 5,657.21 : x
  2. Step 2: Convert to fraction form
    10,133.17/13,985.19 = 5,657.21/x
  3. Step 3: Cross multiply
    10,133.17x = 13,985.19 × 5,657.21
  4. Step 4: Simplify right side
    10,133.17x = 79,117,156.72
  5. Step 5: Solve for x
    x = 79,117,156.72/10,133.17
  6. Step 6: Final answer
    x = 7,807.74

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