Home / 11,095.04-15,314.48-6,621.92

Finding the Fourth Proportional to 11,095.04, 15,314.48 and 6,621.92

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Solution

The fourth proportional to 11,095.04, 15,314.48 and 6,621.92 is: 9,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.04 : 15,314.48 = 6,621.92 : x
  2. Step 2: Convert to fraction form
    11,095.04/15,314.48 = 6,621.92/x
  3. Step 3: Cross multiply
    11,095.04x = 15,314.48 × 6,621.92
  4. Step 4: Simplify right side
    11,095.04x = 101,411,261.40
  5. Step 5: Solve for x
    x = 101,411,261.40/11,095.04
  6. Step 6: Final answer
    x = 9,140.23

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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.