Home / 9,938.16-13,712.76-6,793.20

Finding the Fourth Proportional to 9,938.16, 13,712.76 and 6,793.20

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Solution

The fourth proportional to 9,938.16, 13,712.76 and 6,793.20 is: 9,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.16 : 13,712.76 = 6,793.20 : x
  2. Step 2: Convert to fraction form
    9,938.16/13,712.76 = 6,793.20/x
  3. Step 3: Cross multiply
    9,938.16x = 13,712.76 × 6,793.20
  4. Step 4: Simplify right side
    9,938.16x = 93,153,521.23
  5. Step 5: Solve for x
    x = 93,153,521.23/9,938.16
  6. Step 6: Final answer
    x = 9,373.32

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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.