Home / 9,329.81-12,886.08-6,180.53

Finding the Fourth Proportional to 9,329.81, 12,886.08 and 6,180.53

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Solution

The fourth proportional to 9,329.81, 12,886.08 and 6,180.53 is: 8,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.81 : 12,886.08 = 6,180.53 : x
  2. Step 2: Convert to fraction form
    9,329.81/12,886.08 = 6,180.53/x
  3. Step 3: Cross multiply
    9,329.81x = 12,886.08 × 6,180.53
  4. Step 4: Simplify right side
    9,329.81x = 79,642,836.24
  5. Step 5: Solve for x
    x = 79,642,836.24/9,329.81
  6. Step 6: Final answer
    x = 8,536.38

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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.