Home / 34,399.12-51,598.74-9,439.51

Finding the Fourth Proportional to 34,399.12, 51,598.74 and 9,439.51

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Solution

The fourth proportional to 34,399.12, 51,598.74 and 9,439.51 is: 14,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,399.12 : 51,598.74 = 9,439.51 : x
  2. Step 2: Convert to fraction form
    34,399.12/51,598.74 = 9,439.51/x
  3. Step 3: Cross multiply
    34,399.12x = 51,598.74 × 9,439.51
  4. Step 4: Simplify right side
    34,399.12x = 487,066,822.22
  5. Step 5: Solve for x
    x = 487,066,822.22/34,399.12
  6. Step 6: Final answer
    x = 14,159.28

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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.