Home / 13,303.22-18,358.02-7,335

Finding the Fourth Proportional to 13,303.22, 18,358.02 and 7,335

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Solution

The fourth proportional to 13,303.22, 18,358.02 and 7,335 is: 10,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.22 : 18,358.02 = 7,335 : x
  2. Step 2: Convert to fraction form
    13,303.22/18,358.02 = 7,335/x
  3. Step 3: Cross multiply
    13,303.22x = 18,358.02 × 7,335
  4. Step 4: Simplify right side
    13,303.22x = 134,656,076.70
  5. Step 5: Solve for x
    x = 134,656,076.70/13,303.22
  6. Step 6: Final answer
    x = 10,122.07

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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.