Home / 11,459.02-17,210.40-7,085.02

Finding the Fourth Proportional to 11,459.02, 17,210.40 and 7,085.02

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Solution

The fourth proportional to 11,459.02, 17,210.40 and 7,085.02 is: 10,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.02 : 17,210.40 = 7,085.02 : x
  2. Step 2: Convert to fraction form
    11,459.02/17,210.40 = 7,085.02/x
  3. Step 3: Cross multiply
    11,459.02x = 17,210.40 × 7,085.02
  4. Step 4: Simplify right side
    11,459.02x = 121,936,028.21
  5. Step 5: Solve for x
    x = 121,936,028.21/11,459.02
  6. Step 6: Final answer
    x = 10,641.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.