Home / 10,785.42-16,102.17-9,225.99

Finding the Fourth Proportional to 10,785.42, 16,102.17 and 9,225.99

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Solution

The fourth proportional to 10,785.42, 16,102.17 and 9,225.99 is: 13,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.42 : 16,102.17 = 9,225.99 : x
  2. Step 2: Convert to fraction form
    10,785.42/16,102.17 = 9,225.99/x
  3. Step 3: Cross multiply
    10,785.42x = 16,102.17 × 9,225.99
  4. Step 4: Simplify right side
    10,785.42x = 148,558,459.40
  5. Step 5: Solve for x
    x = 148,558,459.40/10,785.42
  6. Step 6: Final answer
    x = 13,774.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.