Home / 7,442.48-11,137.88-4,630.16

Finding the Fourth Proportional to 7,442.48, 11,137.88 and 4,630.16

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Solution

The fourth proportional to 7,442.48, 11,137.88 and 4,630.16 is: 6,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.48 : 11,137.88 = 4,630.16 : x
  2. Step 2: Convert to fraction form
    7,442.48/11,137.88 = 4,630.16/x
  3. Step 3: Cross multiply
    7,442.48x = 11,137.88 × 4,630.16
  4. Step 4: Simplify right side
    7,442.48x = 51,570,166.46
  5. Step 5: Solve for x
    x = 51,570,166.46/7,442.48
  6. Step 6: Final answer
    x = 6,929.16

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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.