Home / 12,370.95-17,075.25-7,652.61

Finding the Fourth Proportional to 12,370.95, 17,075.25 and 7,652.61

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Solution

The fourth proportional to 12,370.95, 17,075.25 and 7,652.61 is: 10,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.95 : 17,075.25 = 7,652.61 : x
  2. Step 2: Convert to fraction form
    12,370.95/17,075.25 = 7,652.61/x
  3. Step 3: Cross multiply
    12,370.95x = 17,075.25 × 7,652.61
  4. Step 4: Simplify right side
    12,370.95x = 130,670,228.90
  5. Step 5: Solve for x
    x = 130,670,228.90/12,370.95
  6. Step 6: Final answer
    x = 10,562.67

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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.