Home / 10,924.20-16,376.70-6,543.40

Finding the Fourth Proportional to 10,924.20, 16,376.70 and 6,543.40

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Solution

The fourth proportional to 10,924.20, 16,376.70 and 6,543.40 is: 9,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.20 : 16,376.70 = 6,543.40 : x
  2. Step 2: Convert to fraction form
    10,924.20/16,376.70 = 6,543.40/x
  3. Step 3: Cross multiply
    10,924.20x = 16,376.70 × 6,543.40
  4. Step 4: Simplify right side
    10,924.20x = 107,159,298.78
  5. Step 5: Solve for x
    x = 107,159,298.78/10,924.20
  6. Step 6: Final answer
    x = 9,809.35

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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.