Home / 11,282.60-15,565.02-6,806.54

Finding the Fourth Proportional to 11,282.60, 15,565.02 and 6,806.54

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Solution

The fourth proportional to 11,282.60, 15,565.02 and 6,806.54 is: 9,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.60 : 15,565.02 = 6,806.54 : x
  2. Step 2: Convert to fraction form
    11,282.60/15,565.02 = 6,806.54/x
  3. Step 3: Cross multiply
    11,282.60x = 15,565.02 × 6,806.54
  4. Step 4: Simplify right side
    11,282.60x = 105,943,931.23
  5. Step 5: Solve for x
    x = 105,943,931.23/11,282.60
  6. Step 6: Final answer
    x = 9,390.03

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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.