Home / 9,359.55-12,915.98-5,110.70

Finding the Fourth Proportional to 9,359.55, 12,915.98 and 5,110.70

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Solution

The fourth proportional to 9,359.55, 12,915.98 and 5,110.70 is: 7,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.55 : 12,915.98 = 5,110.70 : x
  2. Step 2: Convert to fraction form
    9,359.55/12,915.98 = 5,110.70/x
  3. Step 3: Cross multiply
    9,359.55x = 12,915.98 × 5,110.70
  4. Step 4: Simplify right side
    9,359.55x = 66,009,698.99
  5. Step 5: Solve for x
    x = 66,009,698.99/9,359.55
  6. Step 6: Final answer
    x = 7,052.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.