Home / 9,742.85-13,445.07-5,763.89

Finding the Fourth Proportional to 9,742.85, 13,445.07 and 5,763.89

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Solution

The fourth proportional to 9,742.85, 13,445.07 and 5,763.89 is: 7,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.85 : 13,445.07 = 5,763.89 : x
  2. Step 2: Convert to fraction form
    9,742.85/13,445.07 = 5,763.89/x
  3. Step 3: Cross multiply
    9,742.85x = 13,445.07 × 5,763.89
  4. Step 4: Simplify right side
    9,742.85x = 77,495,904.52
  5. Step 5: Solve for x
    x = 77,495,904.52/9,742.85
  6. Step 6: Final answer
    x = 7,954.13

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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.