Home / 9,565.04-13,199.49-5,315.99

Finding the Fourth Proportional to 9,565.04, 13,199.49 and 5,315.99

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Solution

The fourth proportional to 9,565.04, 13,199.49 and 5,315.99 is: 7,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,565.04 : 13,199.49 = 5,315.99 : x
  2. Step 2: Convert to fraction form
    9,565.04/13,199.49 = 5,315.99/x
  3. Step 3: Cross multiply
    9,565.04x = 13,199.49 × 5,315.99
  4. Step 4: Simplify right side
    9,565.04x = 70,168,356.85
  5. Step 5: Solve for x
    x = 70,168,356.85/9,565.04
  6. Step 6: Final answer
    x = 7,335.92

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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.