Home / 9,862.02-13,613.67-7,339.68

Finding the Fourth Proportional to 9,862.02, 13,613.67 and 7,339.68

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Solution

The fourth proportional to 9,862.02, 13,613.67 and 7,339.68 is: 10,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.02 : 13,613.67 = 7,339.68 : x
  2. Step 2: Convert to fraction form
    9,862.02/13,613.67 = 7,339.68/x
  3. Step 3: Cross multiply
    9,862.02x = 13,613.67 × 7,339.68
  4. Step 4: Simplify right side
    9,862.02x = 99,919,981.43
  5. Step 5: Solve for x
    x = 99,919,981.43/9,862.02
  6. Step 6: Final answer
    x = 10,131.80

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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.