Home / 10,648.04-15,919.50-9,022.76

Finding the Fourth Proportional to 10,648.04, 15,919.50 and 9,022.76

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Solution

The fourth proportional to 10,648.04, 15,919.50 and 9,022.76 is: 13,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.04 : 15,919.50 = 9,022.76 : x
  2. Step 2: Convert to fraction form
    10,648.04/15,919.50 = 9,022.76/x
  3. Step 3: Cross multiply
    10,648.04x = 15,919.50 × 9,022.76
  4. Step 4: Simplify right side
    10,648.04x = 143,637,827.82
  5. Step 5: Solve for x
    x = 143,637,827.82/10,648.04
  6. Step 6: Final answer
    x = 13,489.60

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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.