Home / 9,020.59-12,448.31-4,987.67

Finding the Fourth Proportional to 9,020.59, 12,448.31 and 4,987.67

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Solution

The fourth proportional to 9,020.59, 12,448.31 and 4,987.67 is: 6,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.59 : 12,448.31 = 4,987.67 : x
  2. Step 2: Convert to fraction form
    9,020.59/12,448.31 = 4,987.67/x
  3. Step 3: Cross multiply
    9,020.59x = 12,448.31 × 4,987.67
  4. Step 4: Simplify right side
    9,020.59x = 62,088,062.34
  5. Step 5: Solve for x
    x = 62,088,062.34/9,020.59
  6. Step 6: Final answer
    x = 6,882.93

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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.