Home / 11,111.39-15,333.75-6,075.67

Finding the Fourth Proportional to 11,111.39, 15,333.75 and 6,075.67

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Solution

The fourth proportional to 11,111.39, 15,333.75 and 6,075.67 is: 8,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.39 : 15,333.75 = 6,075.67 : x
  2. Step 2: Convert to fraction form
    11,111.39/15,333.75 = 6,075.67/x
  3. Step 3: Cross multiply
    11,111.39x = 15,333.75 × 6,075.67
  4. Step 4: Simplify right side
    11,111.39x = 93,162,804.86
  5. Step 5: Solve for x
    x = 93,162,804.86/11,111.39
  6. Step 6: Final answer
    x = 8,384.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.