Home / 10,931.16-16,396.64-3,535.46

Finding the Fourth Proportional to 10,931.16, 16,396.64 and 3,535.46

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Solution

The fourth proportional to 10,931.16, 16,396.64 and 3,535.46 is: 5,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.16 : 16,396.64 = 3,535.46 : x
  2. Step 2: Convert to fraction form
    10,931.16/16,396.64 = 3,535.46/x
  3. Step 3: Cross multiply
    10,931.16x = 16,396.64 × 3,535.46
  4. Step 4: Simplify right side
    10,931.16x = 57,969,565.19
  5. Step 5: Solve for x
    x = 57,969,565.19/10,931.16
  6. Step 6: Final answer
    x = 5,303.15

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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.