Home / 9,739.02-13,439.55-5,547.06

Finding the Fourth Proportional to 9,739.02, 13,439.55 and 5,547.06

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Solution

The fourth proportional to 9,739.02, 13,439.55 and 5,547.06 is: 7,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.02 : 13,439.55 = 5,547.06 : x
  2. Step 2: Convert to fraction form
    9,739.02/13,439.55 = 5,547.06/x
  3. Step 3: Cross multiply
    9,739.02x = 13,439.55 × 5,547.06
  4. Step 4: Simplify right side
    9,739.02x = 74,549,990.22
  5. Step 5: Solve for x
    x = 74,549,990.22/9,739.02
  6. Step 6: Final answer
    x = 7,654.77

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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.