Home / 10,935.25-15,088.21-6,459.19

Finding the Fourth Proportional to 10,935.25, 15,088.21 and 6,459.19

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Solution

The fourth proportional to 10,935.25, 15,088.21 and 6,459.19 is: 8,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.25 : 15,088.21 = 6,459.19 : x
  2. Step 2: Convert to fraction form
    10,935.25/15,088.21 = 6,459.19/x
  3. Step 3: Cross multiply
    10,935.25x = 15,088.21 × 6,459.19
  4. Step 4: Simplify right side
    10,935.25x = 97,457,615.15
  5. Step 5: Solve for x
    x = 97,457,615.15/10,935.25
  6. Step 6: Final answer
    x = 8,912.24

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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.