Home / 11,047.92-16,547.58-7,140.48

Finding the Fourth Proportional to 11,047.92, 16,547.58 and 7,140.48

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Solution

The fourth proportional to 11,047.92, 16,547.58 and 7,140.48 is: 10,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.92 : 16,547.58 = 7,140.48 : x
  2. Step 2: Convert to fraction form
    11,047.92/16,547.58 = 7,140.48/x
  3. Step 3: Cross multiply
    11,047.92x = 16,547.58 × 7,140.48
  4. Step 4: Simplify right side
    11,047.92x = 118,157,664.04
  5. Step 5: Solve for x
    x = 118,157,664.04/11,047.92
  6. Step 6: Final answer
    x = 10,695.01

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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.