Home / 7,112.10-9,812.48-4,595.60

Finding the Fourth Proportional to 7,112.10, 9,812.48 and 4,595.60

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Solution

The fourth proportional to 7,112.10, 9,812.48 and 4,595.60 is: 6,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.10 : 9,812.48 = 4,595.60 : x
  2. Step 2: Convert to fraction form
    7,112.10/9,812.48 = 4,595.60/x
  3. Step 3: Cross multiply
    7,112.10x = 9,812.48 × 4,595.60
  4. Step 4: Simplify right side
    7,112.10x = 45,094,233.09
  5. Step 5: Solve for x
    x = 45,094,233.09/7,112.10
  6. Step 6: Final answer
    x = 6,340.49

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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.