Home / 9,742.64-13,441.56-5,547.92

Finding the Fourth Proportional to 9,742.64, 13,441.56 and 5,547.92

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Solution

The fourth proportional to 9,742.64, 13,441.56 and 5,547.92 is: 7,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.64 : 13,441.56 = 5,547.92 : x
  2. Step 2: Convert to fraction form
    9,742.64/13,441.56 = 5,547.92/x
  3. Step 3: Cross multiply
    9,742.64x = 13,441.56 × 5,547.92
  4. Step 4: Simplify right side
    9,742.64x = 74,572,699.56
  5. Step 5: Solve for x
    x = 74,572,699.56/9,742.64
  6. Step 6: Final answer
    x = 7,654.26

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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.