Home / 7,862.63-10,849.95-4,277.56

Finding the Fourth Proportional to 7,862.63, 10,849.95 and 4,277.56

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Solution

The fourth proportional to 7,862.63, 10,849.95 and 4,277.56 is: 5,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.63 : 10,849.95 = 4,277.56 : x
  2. Step 2: Convert to fraction form
    7,862.63/10,849.95 = 4,277.56/x
  3. Step 3: Cross multiply
    7,862.63x = 10,849.95 × 4,277.56
  4. Step 4: Simplify right side
    7,862.63x = 46,411,312.12
  5. Step 5: Solve for x
    x = 46,411,312.12/7,862.63
  6. Step 6: Final answer
    x = 5,902.77

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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.