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Finding the Fourth Proportional to 9,036.56, 12,482.36 and 6,938.01

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Solution

The fourth proportional to 9,036.56, 12,482.36 and 6,938.01 is: 9,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.56 : 12,482.36 = 6,938.01 : x
  2. Step 2: Convert to fraction form
    9,036.56/12,482.36 = 6,938.01/x
  3. Step 3: Cross multiply
    9,036.56x = 12,482.36 × 6,938.01
  4. Step 4: Simplify right side
    9,036.56x = 86,602,703.81
  5. Step 5: Solve for x
    x = 86,602,703.81/9,036.56
  6. Step 6: Final answer
    x = 9,583.60

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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.