Home / 11,459.46-17,156.36-7,047.18

Finding the Fourth Proportional to 11,459.46, 17,156.36 and 7,047.18

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Solution

The fourth proportional to 11,459.46, 17,156.36 and 7,047.18 is: 10,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.46 : 17,156.36 = 7,047.18 : x
  2. Step 2: Convert to fraction form
    11,459.46/17,156.36 = 7,047.18/x
  3. Step 3: Cross multiply
    11,459.46x = 17,156.36 × 7,047.18
  4. Step 4: Simplify right side
    11,459.46x = 120,903,957.06
  5. Step 5: Solve for x
    x = 120,903,957.06/11,459.46
  6. Step 6: Final answer
    x = 10,550.58

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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.