Home / 9,315.84-13,980.03-3,472.45

Finding the Fourth Proportional to 9,315.84, 13,980.03 and 3,472.45

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Solution

The fourth proportional to 9,315.84, 13,980.03 and 3,472.45 is: 5,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.84 : 13,980.03 = 3,472.45 : x
  2. Step 2: Convert to fraction form
    9,315.84/13,980.03 = 3,472.45/x
  3. Step 3: Cross multiply
    9,315.84x = 13,980.03 × 3,472.45
  4. Step 4: Simplify right side
    9,315.84x = 48,544,955.17
  5. Step 5: Solve for x
    x = 48,544,955.17/9,315.84
  6. Step 6: Final answer
    x = 5,211.01

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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.