Home / 10,130.94-15,196.88-3,110.67

Finding the Fourth Proportional to 10,130.94, 15,196.88 and 3,110.67

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Solution

The fourth proportional to 10,130.94, 15,196.88 and 3,110.67 is: 4,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.94 : 15,196.88 = 3,110.67 : x
  2. Step 2: Convert to fraction form
    10,130.94/15,196.88 = 3,110.67/x
  3. Step 3: Cross multiply
    10,130.94x = 15,196.88 × 3,110.67
  4. Step 4: Simplify right side
    10,130.94x = 47,272,478.71
  5. Step 5: Solve for x
    x = 47,272,478.71/10,130.94
  6. Step 6: Final answer
    x = 4,666.15

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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.