Home / 8,528.16-11,772.06-6,307.91

Finding the Fourth Proportional to 8,528.16, 11,772.06 and 6,307.91

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Solution

The fourth proportional to 8,528.16, 11,772.06 and 6,307.91 is: 8,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.16 : 11,772.06 = 6,307.91 : x
  2. Step 2: Convert to fraction form
    8,528.16/11,772.06 = 6,307.91/x
  3. Step 3: Cross multiply
    8,528.16x = 11,772.06 × 6,307.91
  4. Step 4: Simplify right side
    8,528.16x = 74,257,036.13
  5. Step 5: Solve for x
    x = 74,257,036.13/8,528.16
  6. Step 6: Final answer
    x = 8,707.28

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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.