Home / 10,298.17-15,438.75-4,746.85

Finding the Fourth Proportional to 10,298.17, 15,438.75 and 4,746.85

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Solution

The fourth proportional to 10,298.17, 15,438.75 and 4,746.85 is: 7,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.17 : 15,438.75 = 4,746.85 : x
  2. Step 2: Convert to fraction form
    10,298.17/15,438.75 = 4,746.85/x
  3. Step 3: Cross multiply
    10,298.17x = 15,438.75 × 4,746.85
  4. Step 4: Simplify right side
    10,298.17x = 73,285,430.44
  5. Step 5: Solve for x
    x = 73,285,430.44/10,298.17
  6. Step 6: Final answer
    x = 7,116.35

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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.