Home / 13,434.56-18,539.36-7,466.12

Finding the Fourth Proportional to 13,434.56, 18,539.36 and 7,466.12

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Solution

The fourth proportional to 13,434.56, 18,539.36 and 7,466.12 is: 10,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.56 : 18,539.36 = 7,466.12 : x
  2. Step 2: Convert to fraction form
    13,434.56/18,539.36 = 7,466.12/x
  3. Step 3: Cross multiply
    13,434.56x = 18,539.36 × 7,466.12
  4. Step 4: Simplify right side
    13,434.56x = 138,417,086.48
  5. Step 5: Solve for x
    x = 138,417,086.48/13,434.56
  6. Step 6: Final answer
    x = 10,303.06

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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.