Home / 10,825.28-14,946.72-7,110.08

Finding the Fourth Proportional to 10,825.28, 14,946.72 and 7,110.08

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Solution

The fourth proportional to 10,825.28, 14,946.72 and 7,110.08 is: 9,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.28 : 14,946.72 = 7,110.08 : x
  2. Step 2: Convert to fraction form
    10,825.28/14,946.72 = 7,110.08/x
  3. Step 3: Cross multiply
    10,825.28x = 14,946.72 × 7,110.08
  4. Step 4: Simplify right side
    10,825.28x = 106,272,374.94
  5. Step 5: Solve for x
    x = 106,272,374.94/10,825.28
  6. Step 6: Final answer
    x = 9,817.06

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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.