Home / 10,853.70-16,237.35-9,408.90

Finding the Fourth Proportional to 10,853.70, 16,237.35 and 9,408.90

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Solution

The fourth proportional to 10,853.70, 16,237.35 and 9,408.90 is: 14,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.70 : 16,237.35 = 9,408.90 : x
  2. Step 2: Convert to fraction form
    10,853.70/16,237.35 = 9,408.90/x
  3. Step 3: Cross multiply
    10,853.70x = 16,237.35 × 9,408.90
  4. Step 4: Simplify right side
    10,853.70x = 152,775,602.42
  5. Step 5: Solve for x
    x = 152,775,602.42/10,853.70
  6. Step 6: Final answer
    x = 14,075.90

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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.