Home / 13,292.02-18,330.19-8,746.57

Finding the Fourth Proportional to 13,292.02, 18,330.19 and 8,746.57

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Solution

The fourth proportional to 13,292.02, 18,330.19 and 8,746.57 is: 12,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.02 : 18,330.19 = 8,746.57 : x
  2. Step 2: Convert to fraction form
    13,292.02/18,330.19 = 8,746.57/x
  3. Step 3: Cross multiply
    13,292.02x = 18,330.19 × 8,746.57
  4. Step 4: Simplify right side
    13,292.02x = 160,326,289.95
  5. Step 5: Solve for x
    x = 160,326,289.95/13,292.02
  6. Step 6: Final answer
    x = 12,061.85

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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.