Home / 10,382.27-14,323.16-7,240.28

Finding the Fourth Proportional to 10,382.27, 14,323.16 and 7,240.28

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Solution

The fourth proportional to 10,382.27, 14,323.16 and 7,240.28 is: 9,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.27 : 14,323.16 = 7,240.28 : x
  2. Step 2: Convert to fraction form
    10,382.27/14,323.16 = 7,240.28/x
  3. Step 3: Cross multiply
    10,382.27x = 14,323.16 × 7,240.28
  4. Step 4: Simplify right side
    10,382.27x = 103,703,581.07
  5. Step 5: Solve for x
    x = 103,703,581.07/10,382.27
  6. Step 6: Final answer
    x = 9,988.53

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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.