Home / 9,280,640-12,807,126.06-5,206,171.52

Finding the Fourth Proportional to 9,280,640, 12,807,126.06 and 5,206,171.52

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Solution

The fourth proportional to 9,280,640, 12,807,126.06 and 5,206,171.52 is: 7,184,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280,640 : 12,807,126.06 = 5,206,171.52 : x
  2. Step 2: Convert to fraction form
    9,280,640/12,807,126.06 = 5,206,171.52/x
  3. Step 3: Cross multiply
    9,280,640x = 12,807,126.06 × 5,206,171.52
  4. Step 4: Simplify right side
    9,280,640x = 66,676,094,946,621.80
  5. Step 5: Solve for x
    x = 66,676,094,946,621.80/9,280,640
  6. Step 6: Final answer
    x = 7,184,428.55

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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.