Home / 13,306.02-18,362.46-7,337.91

Finding the Fourth Proportional to 13,306.02, 18,362.46 and 7,337.91

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Solution

The fourth proportional to 13,306.02, 18,362.46 and 7,337.91 is: 10,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.02 : 18,362.46 = 7,337.91 : x
  2. Step 2: Convert to fraction form
    13,306.02/18,362.46 = 7,337.91/x
  3. Step 3: Cross multiply
    13,306.02x = 18,362.46 × 7,337.91
  4. Step 4: Simplify right side
    13,306.02x = 134,742,078.86
  5. Step 5: Solve for x
    x = 134,742,078.86/13,306.02
  6. Step 6: Final answer
    x = 10,126.40

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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.