Home / 10,934.52-16,403.40-5,740.80

Finding the Fourth Proportional to 10,934.52, 16,403.40 and 5,740.80

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Solution

The fourth proportional to 10,934.52, 16,403.40 and 5,740.80 is: 8,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.52 : 16,403.40 = 5,740.80 : x
  2. Step 2: Convert to fraction form
    10,934.52/16,403.40 = 5,740.80/x
  3. Step 3: Cross multiply
    10,934.52x = 16,403.40 × 5,740.80
  4. Step 4: Simplify right side
    10,934.52x = 94,168,638.72
  5. Step 5: Solve for x
    x = 94,168,638.72/10,934.52
  6. Step 6: Final answer
    x = 8,612.05

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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.