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Finding the Fourth Proportional to 9,817, 13,547.46 and 5,401

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Solution

The fourth proportional to 9,817, 13,547.46 and 5,401 is: 7,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817 : 13,547.46 = 5,401 : x
  2. Step 2: Convert to fraction form
    9,817/13,547.46 = 5,401/x
  3. Step 3: Cross multiply
    9,817x = 13,547.46 × 5,401
  4. Step 4: Simplify right side
    9,817x = 73,169,831.46
  5. Step 5: Solve for x
    x = 73,169,831.46/9,817
  6. Step 6: Final answer
    x = 7,453.38

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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.