Home / 10,258.51-15,378.63-4,022.98

Finding the Fourth Proportional to 10,258.51, 15,378.63 and 4,022.98

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Solution

The fourth proportional to 10,258.51, 15,378.63 and 4,022.98 is: 6,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.51 : 15,378.63 = 4,022.98 : x
  2. Step 2: Convert to fraction form
    10,258.51/15,378.63 = 4,022.98/x
  3. Step 3: Cross multiply
    10,258.51x = 15,378.63 × 4,022.98
  4. Step 4: Simplify right side
    10,258.51x = 61,867,922.95
  5. Step 5: Solve for x
    x = 61,867,922.95/10,258.51
  6. Step 6: Final answer
    x = 6,030.89

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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.