Home / 11,368.42-16,968.91-10,038.40

Finding the Fourth Proportional to 11,368.42, 16,968.91 and 10,038.40

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Solution

The fourth proportional to 11,368.42, 16,968.91 and 10,038.40 is: 14,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.42 : 16,968.91 = 10,038.40 : x
  2. Step 2: Convert to fraction form
    11,368.42/16,968.91 = 10,038.40/x
  3. Step 3: Cross multiply
    11,368.42x = 16,968.91 × 10,038.40
  4. Step 4: Simplify right side
    11,368.42x = 170,340,706.14
  5. Step 5: Solve for x
    x = 170,340,706.14/11,368.42
  6. Step 6: Final answer
    x = 14,983.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.