Home / 7,328.06-10,113.02-4,142.60

Finding the Fourth Proportional to 7,328.06, 10,113.02 and 4,142.60

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Solution

The fourth proportional to 7,328.06, 10,113.02 and 4,142.60 is: 5,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.06 : 10,113.02 = 4,142.60 : x
  2. Step 2: Convert to fraction form
    7,328.06/10,113.02 = 4,142.60/x
  3. Step 3: Cross multiply
    7,328.06x = 10,113.02 × 4,142.60
  4. Step 4: Simplify right side
    7,328.06x = 41,894,196.65
  5. Step 5: Solve for x
    x = 41,894,196.65/7,328.06
  6. Step 6: Final answer
    x = 5,716.96

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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.