Home / 10,367.02-14,315.43-8,889.58

Finding the Fourth Proportional to 10,367.02, 14,315.43 and 8,889.58

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Solution

The fourth proportional to 10,367.02, 14,315.43 and 8,889.58 is: 12,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.02 : 14,315.43 = 8,889.58 : x
  2. Step 2: Convert to fraction form
    10,367.02/14,315.43 = 8,889.58/x
  3. Step 3: Cross multiply
    10,367.02x = 14,315.43 × 8,889.58
  4. Step 4: Simplify right side
    10,367.02x = 127,258,160.22
  5. Step 5: Solve for x
    x = 127,258,160.22/10,367.02
  6. Step 6: Final answer
    x = 12,275.29

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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.