Home / 28,569.03-42,853.08-7,792.53

Finding the Fourth Proportional to 28,569.03, 42,853.08 and 7,792.53

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Solution

The fourth proportional to 28,569.03, 42,853.08 and 7,792.53 is: 11,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.03 : 42,853.08 = 7,792.53 : x
  2. Step 2: Convert to fraction form
    28,569.03/42,853.08 = 7,792.53/x
  3. Step 3: Cross multiply
    28,569.03x = 42,853.08 × 7,792.53
  4. Step 4: Simplify right side
    28,569.03x = 333,933,911.49
  5. Step 5: Solve for x
    x = 333,933,911.49/28,569.03
  6. Step 6: Final answer
    x = 11,688.67

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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.