Home / 9,075.41-13,609.65-5,378.67

Finding the Fourth Proportional to 9,075.41, 13,609.65 and 5,378.67

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Solution

The fourth proportional to 9,075.41, 13,609.65 and 5,378.67 is: 8,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.41 : 13,609.65 = 5,378.67 : x
  2. Step 2: Convert to fraction form
    9,075.41/13,609.65 = 5,378.67/x
  3. Step 3: Cross multiply
    9,075.41x = 13,609.65 × 5,378.67
  4. Step 4: Simplify right side
    9,075.41x = 73,201,836.34
  5. Step 5: Solve for x
    x = 73,201,836.34/9,075.41
  6. Step 6: Final answer
    x = 8,065.95

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1.5x scale

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.