Home / 12,281.04-16,947.85-6,692.04

Finding the Fourth Proportional to 12,281.04, 16,947.85 and 6,692.04

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Solution

The fourth proportional to 12,281.04, 16,947.85 and 6,692.04 is: 9,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.04 : 16,947.85 = 6,692.04 : x
  2. Step 2: Convert to fraction form
    12,281.04/16,947.85 = 6,692.04/x
  3. Step 3: Cross multiply
    12,281.04x = 16,947.85 × 6,692.04
  4. Step 4: Simplify right side
    12,281.04x = 113,415,690.11
  5. Step 5: Solve for x
    x = 113,415,690.11/12,281.04
  6. Step 6: Final answer
    x = 9,235.02

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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.