Home / 9,948.93-13,728.54-5,699.18

Finding the Fourth Proportional to 9,948.93, 13,728.54 and 5,699.18

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Solution

The fourth proportional to 9,948.93, 13,728.54 and 5,699.18 is: 7,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.93 : 13,728.54 = 5,699.18 : x
  2. Step 2: Convert to fraction form
    9,948.93/13,728.54 = 5,699.18/x
  3. Step 3: Cross multiply
    9,948.93x = 13,728.54 × 5,699.18
  4. Step 4: Simplify right side
    9,948.93x = 78,241,323.46
  5. Step 5: Solve for x
    x = 78,241,323.46/9,948.93
  6. Step 6: Final answer
    x = 7,864.30

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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.