Home / 11,723.16-16,176.53-9,339.20

Finding the Fourth Proportional to 11,723.16, 16,176.53 and 9,339.20

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Solution

The fourth proportional to 11,723.16, 16,176.53 and 9,339.20 is: 12,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.16 : 16,176.53 = 9,339.20 : x
  2. Step 2: Convert to fraction form
    11,723.16/16,176.53 = 9,339.20/x
  3. Step 3: Cross multiply
    11,723.16x = 16,176.53 × 9,339.20
  4. Step 4: Simplify right side
    11,723.16x = 151,075,802.28
  5. Step 5: Solve for x
    x = 151,075,802.28/11,723.16
  6. Step 6: Final answer
    x = 12,886.95

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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.