Home / 42,292.94-63,434.35-11,130.62

Finding the Fourth Proportional to 42,292.94, 63,434.35 and 11,130.62

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Solution

The fourth proportional to 42,292.94, 63,434.35 and 11,130.62 is: 16,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,292.94 : 63,434.35 = 11,130.62 : x
  2. Step 2: Convert to fraction form
    42,292.94/63,434.35 = 11,130.62/x
  3. Step 3: Cross multiply
    42,292.94x = 63,434.35 × 11,130.62
  4. Step 4: Simplify right side
    42,292.94x = 706,063,644.80
  5. Step 5: Solve for x
    x = 706,063,644.80/42,292.94
  6. Step 6: Final answer
    x = 16,694.60

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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.