Home / 8,777.16-12,112.26-4,798.14

Finding the Fourth Proportional to 8,777.16, 12,112.26 and 4,798.14

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Solution

The fourth proportional to 8,777.16, 12,112.26 and 4,798.14 is: 6,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.16 : 12,112.26 = 4,798.14 : x
  2. Step 2: Convert to fraction form
    8,777.16/12,112.26 = 4,798.14/x
  3. Step 3: Cross multiply
    8,777.16x = 12,112.26 × 4,798.14
  4. Step 4: Simplify right side
    8,777.16x = 58,116,319.20
  5. Step 5: Solve for x
    x = 58,116,319.20/8,777.16
  6. Step 6: Final answer
    x = 6,621.31

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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.