Home / 10,020.12-15,030.84-2,624.76

Finding the Fourth Proportional to 10,020.12, 15,030.84 and 2,624.76

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Solution

The fourth proportional to 10,020.12, 15,030.84 and 2,624.76 is: 3,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.12 : 15,030.84 = 2,624.76 : x
  2. Step 2: Convert to fraction form
    10,020.12/15,030.84 = 2,624.76/x
  3. Step 3: Cross multiply
    10,020.12x = 15,030.84 × 2,624.76
  4. Step 4: Simplify right side
    10,020.12x = 39,452,347.60
  5. Step 5: Solve for x
    x = 39,452,347.60/10,020.12
  6. Step 6: Final answer
    x = 3,937.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.