Home / 9,754.51-13,457.60-6,399.19

Finding the Fourth Proportional to 9,754.51, 13,457.60 and 6,399.19

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Solution

The fourth proportional to 9,754.51, 13,457.60 and 6,399.19 is: 8,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,754.51 : 13,457.60 = 6,399.19 : x
  2. Step 2: Convert to fraction form
    9,754.51/13,457.60 = 6,399.19/x
  3. Step 3: Cross multiply
    9,754.51x = 13,457.60 × 6,399.19
  4. Step 4: Simplify right side
    9,754.51x = 86,117,739.34
  5. Step 5: Solve for x
    x = 86,117,739.34/9,754.51
  6. Step 6: Final answer
    x = 8,828.50

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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.