Home / 10,948.95-15,104.75-6,700.21

Finding the Fourth Proportional to 10,948.95, 15,104.75 and 6,700.21

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Solution

The fourth proportional to 10,948.95, 15,104.75 and 6,700.21 is: 9,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.95 : 15,104.75 = 6,700.21 : x
  2. Step 2: Convert to fraction form
    10,948.95/15,104.75 = 6,700.21/x
  3. Step 3: Cross multiply
    10,948.95x = 15,104.75 × 6,700.21
  4. Step 4: Simplify right side
    10,948.95x = 101,204,963.50
  5. Step 5: Solve for x
    x = 101,204,963.50/10,948.95
  6. Step 6: Final answer
    x = 9,243.35

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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.