Home / 7,862.84-10,851.36-4,506.74

Finding the Fourth Proportional to 7,862.84, 10,851.36 and 4,506.74

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Solution

The fourth proportional to 7,862.84, 10,851.36 and 4,506.74 is: 6,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.84 : 10,851.36 = 4,506.74 : x
  2. Step 2: Convert to fraction form
    7,862.84/10,851.36 = 4,506.74/x
  3. Step 3: Cross multiply
    7,862.84x = 10,851.36 × 4,506.74
  4. Step 4: Simplify right side
    7,862.84x = 48,904,258.17
  5. Step 5: Solve for x
    x = 48,904,258.17/7,862.84
  6. Step 6: Final answer
    x = 6,219.67

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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.