Home / 9,269.63-12,792.29-5,290.66

Finding the Fourth Proportional to 9,269.63, 12,792.29 and 5,290.66

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Solution

The fourth proportional to 9,269.63, 12,792.29 and 5,290.66 is: 7,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.63 : 12,792.29 = 5,290.66 : x
  2. Step 2: Convert to fraction form
    9,269.63/12,792.29 = 5,290.66/x
  3. Step 3: Cross multiply
    9,269.63x = 12,792.29 × 5,290.66
  4. Step 4: Simplify right side
    9,269.63x = 67,679,657.01
  5. Step 5: Solve for x
    x = 67,679,657.01/9,269.63
  6. Step 6: Final answer
    x = 7,301.23

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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.