Home / 10,028.88-15,038.93-4,765.40

Finding the Fourth Proportional to 10,028.88, 15,038.93 and 4,765.40

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Solution

The fourth proportional to 10,028.88, 15,038.93 and 4,765.40 is: 7,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.88 : 15,038.93 = 4,765.40 : x
  2. Step 2: Convert to fraction form
    10,028.88/15,038.93 = 4,765.40/x
  3. Step 3: Cross multiply
    10,028.88x = 15,038.93 × 4,765.40
  4. Step 4: Simplify right side
    10,028.88x = 71,666,510.14
  5. Step 5: Solve for x
    x = 71,666,510.14/10,028.88
  6. Step 6: Final answer
    x = 7,146.01

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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.