Home / 9,065.88-12,510.96-5,291.68

Finding the Fourth Proportional to 9,065.88, 12,510.96 and 5,291.68

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Solution

The fourth proportional to 9,065.88, 12,510.96 and 5,291.68 is: 7,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.88 : 12,510.96 = 5,291.68 : x
  2. Step 2: Convert to fraction form
    9,065.88/12,510.96 = 5,291.68/x
  3. Step 3: Cross multiply
    9,065.88x = 12,510.96 × 5,291.68
  4. Step 4: Simplify right side
    9,065.88x = 66,203,996.81
  5. Step 5: Solve for x
    x = 66,203,996.81/9,065.88
  6. Step 6: Final answer
    x = 7,302.55

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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.