Home / 10,382.93-14,328.28-5,666.90

Finding the Fourth Proportional to 10,382.93, 14,328.28 and 5,666.90

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Solution

The fourth proportional to 10,382.93, 14,328.28 and 5,666.90 is: 7,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.93 : 14,328.28 = 5,666.90 : x
  2. Step 2: Convert to fraction form
    10,382.93/14,328.28 = 5,666.90/x
  3. Step 3: Cross multiply
    10,382.93x = 14,328.28 × 5,666.90
  4. Step 4: Simplify right side
    10,382.93x = 81,196,929.93
  5. Step 5: Solve for x
    x = 81,196,929.93/10,382.93
  6. Step 6: Final answer
    x = 7,820.23

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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.