Home / 10,924.65-16,390.53-8,971.74

Finding the Fourth Proportional to 10,924.65, 16,390.53 and 8,971.74

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Solution

The fourth proportional to 10,924.65, 16,390.53 and 8,971.74 is: 13,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.65 : 16,390.53 = 8,971.74 : x
  2. Step 2: Convert to fraction form
    10,924.65/16,390.53 = 8,971.74/x
  3. Step 3: Cross multiply
    10,924.65x = 16,390.53 × 8,971.74
  4. Step 4: Simplify right side
    10,924.65x = 147,051,573.62
  5. Step 5: Solve for x
    x = 147,051,573.62/10,924.65
  6. Step 6: Final answer
    x = 13,460.53

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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.