Home / 9,565.16-13,199.13-5,315.48

Finding the Fourth Proportional to 9,565.16, 13,199.13 and 5,315.48

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Solution

The fourth proportional to 9,565.16, 13,199.13 and 5,315.48 is: 7,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,565.16 : 13,199.13 = 5,315.48 : x
  2. Step 2: Convert to fraction form
    9,565.16/13,199.13 = 5,315.48/x
  3. Step 3: Cross multiply
    9,565.16x = 13,199.13 × 5,315.48
  4. Step 4: Simplify right side
    9,565.16x = 70,159,711.53
  5. Step 5: Solve for x
    x = 70,159,711.53/9,565.16
  6. Step 6: Final answer
    x = 7,334.92

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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.