Home / 10,847.40-16,271.10-9,097.80

Finding the Fourth Proportional to 10,847.40, 16,271.10 and 9,097.80

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Solution

The fourth proportional to 10,847.40, 16,271.10 and 9,097.80 is: 13,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.40 : 16,271.10 = 9,097.80 : x
  2. Step 2: Convert to fraction form
    10,847.40/16,271.10 = 9,097.80/x
  3. Step 3: Cross multiply
    10,847.40x = 16,271.10 × 9,097.80
  4. Step 4: Simplify right side
    10,847.40x = 148,031,213.58
  5. Step 5: Solve for x
    x = 148,031,213.58/10,847.40
  6. Step 6: Final answer
    x = 13,646.70

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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.