Home / 13,098.52-18,076.02-7,130.23

Finding the Fourth Proportional to 13,098.52, 18,076.02 and 7,130.23

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Solution

The fourth proportional to 13,098.52, 18,076.02 and 7,130.23 is: 9,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.52 : 18,076.02 = 7,130.23 : x
  2. Step 2: Convert to fraction form
    13,098.52/18,076.02 = 7,130.23/x
  3. Step 3: Cross multiply
    13,098.52x = 18,076.02 × 7,130.23
  4. Step 4: Simplify right side
    13,098.52x = 128,886,180.08
  5. Step 5: Solve for x
    x = 128,886,180.08/13,098.52
  6. Step 6: Final answer
    x = 9,839.75

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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.