Home / 9,613.02-13,268.38-5,423.70

Finding the Fourth Proportional to 9,613.02, 13,268.38 and 5,423.70

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Solution

The fourth proportional to 9,613.02, 13,268.38 and 5,423.70 is: 7,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.02 : 13,268.38 = 5,423.70 : x
  2. Step 2: Convert to fraction form
    9,613.02/13,268.38 = 5,423.70/x
  3. Step 3: Cross multiply
    9,613.02x = 13,268.38 × 5,423.70
  4. Step 4: Simplify right side
    9,613.02x = 71,963,712.61
  5. Step 5: Solve for x
    x = 71,963,712.61/9,613.02
  6. Step 6: Final answer
    x = 7,486.07

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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.