Home / 10,013.04-15,018.21-2,616.90

Finding the Fourth Proportional to 10,013.04, 15,018.21 and 2,616.90

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Solution

The fourth proportional to 10,013.04, 15,018.21 and 2,616.90 is: 3,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.04 : 15,018.21 = 2,616.90 : x
  2. Step 2: Convert to fraction form
    10,013.04/15,018.21 = 2,616.90/x
  3. Step 3: Cross multiply
    10,013.04x = 15,018.21 × 2,616.90
  4. Step 4: Simplify right side
    10,013.04x = 39,301,153.75
  5. Step 5: Solve for x
    x = 39,301,153.75/10,013.04
  6. Step 6: Final answer
    x = 3,925.00

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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.