Home / 9,971.50-14,955.62-7,040.92

Finding the Fourth Proportional to 9,971.50, 14,955.62 and 7,040.92

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Solution

The fourth proportional to 9,971.50, 14,955.62 and 7,040.92 is: 10,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.50 : 14,955.62 = 7,040.92 : x
  2. Step 2: Convert to fraction form
    9,971.50/14,955.62 = 7,040.92/x
  3. Step 3: Cross multiply
    9,971.50x = 14,955.62 × 7,040.92
  4. Step 4: Simplify right side
    9,971.50x = 105,301,323.97
  5. Step 5: Solve for x
    x = 105,301,323.97/9,971.50
  6. Step 6: Final answer
    x = 10,560.23

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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.