Home / 10,158.54-15,230.64-3,913.32

Finding the Fourth Proportional to 10,158.54, 15,230.64 and 3,913.32

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Solution

The fourth proportional to 10,158.54, 15,230.64 and 3,913.32 is: 5,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.54 : 15,230.64 = 3,913.32 : x
  2. Step 2: Convert to fraction form
    10,158.54/15,230.64 = 3,913.32/x
  3. Step 3: Cross multiply
    10,158.54x = 15,230.64 × 3,913.32
  4. Step 4: Simplify right side
    10,158.54x = 59,602,368.12
  5. Step 5: Solve for x
    x = 59,602,368.12/10,158.54
  6. Step 6: Final answer
    x = 5,867.22

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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.