Home / 10,915.86-16,360.08-4,668.53

Finding the Fourth Proportional to 10,915.86, 16,360.08 and 4,668.53

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Solution

The fourth proportional to 10,915.86, 16,360.08 and 4,668.53 is: 6,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.86 : 16,360.08 = 4,668.53 : x
  2. Step 2: Convert to fraction form
    10,915.86/16,360.08 = 4,668.53/x
  3. Step 3: Cross multiply
    10,915.86x = 16,360.08 × 4,668.53
  4. Step 4: Simplify right side
    10,915.86x = 76,377,442.48
  5. Step 5: Solve for x
    x = 76,377,442.48/10,915.86
  6. Step 6: Final answer
    x = 6,996.92

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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.