Home / 7,378.58-10,186.13-4,692.50

Finding the Fourth Proportional to 7,378.58, 10,186.13 and 4,692.50

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Solution

The fourth proportional to 7,378.58, 10,186.13 and 4,692.50 is: 6,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.58 : 10,186.13 = 4,692.50 : x
  2. Step 2: Convert to fraction form
    7,378.58/10,186.13 = 4,692.50/x
  3. Step 3: Cross multiply
    7,378.58x = 10,186.13 × 4,692.50
  4. Step 4: Simplify right side
    7,378.58x = 47,798,340.63
  5. Step 5: Solve for x
    x = 47,798,340.63/7,378.58
  6. Step 6: Final answer
    x = 6,477.99

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1.5x scale

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.