Home / 10,153.84-15,216.48-4,811.35

Finding the Fourth Proportional to 10,153.84, 15,216.48 and 4,811.35

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Solution

The fourth proportional to 10,153.84, 15,216.48 and 4,811.35 is: 7,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.84 : 15,216.48 = 4,811.35 : x
  2. Step 2: Convert to fraction form
    10,153.84/15,216.48 = 4,811.35/x
  3. Step 3: Cross multiply
    10,153.84x = 15,216.48 × 4,811.35
  4. Step 4: Simplify right side
    10,153.84x = 73,211,811.05
  5. Step 5: Solve for x
    x = 73,211,811.05/10,153.84
  6. Step 6: Final answer
    x = 7,210.26

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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.