Home / 10,038.57-13,864.85-6,675.55

Finding the Fourth Proportional to 10,038.57, 13,864.85 and 6,675.55

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Solution

The fourth proportional to 10,038.57, 13,864.85 and 6,675.55 is: 9,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.57 : 13,864.85 = 6,675.55 : x
  2. Step 2: Convert to fraction form
    10,038.57/13,864.85 = 6,675.55/x
  3. Step 3: Cross multiply
    10,038.57x = 13,864.85 × 6,675.55
  4. Step 4: Simplify right side
    10,038.57x = 92,555,499.42
  5. Step 5: Solve for x
    x = 92,555,499.42/10,038.57
  6. Step 6: Final answer
    x = 9,219.99

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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.