Home / 9,315.27-13,949.15-9,038.25

Finding the Fourth Proportional to 9,315.27, 13,949.15 and 9,038.25

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Solution

The fourth proportional to 9,315.27, 13,949.15 and 9,038.25 is: 13,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.27 : 13,949.15 = 9,038.25 : x
  2. Step 2: Convert to fraction form
    9,315.27/13,949.15 = 9,038.25/x
  3. Step 3: Cross multiply
    9,315.27x = 13,949.15 × 9,038.25
  4. Step 4: Simplify right side
    9,315.27x = 126,075,859.80
  5. Step 5: Solve for x
    x = 126,075,859.80/9,315.27
  6. Step 6: Final answer
    x = 13,534.32

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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.