Home / 9,534.42-13,158.12-5,285.64

Finding the Fourth Proportional to 9,534.42, 13,158.12 and 5,285.64

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Solution

The fourth proportional to 9,534.42, 13,158.12 and 5,285.64 is: 7,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.42 : 13,158.12 = 5,285.64 : x
  2. Step 2: Convert to fraction form
    9,534.42/13,158.12 = 5,285.64/x
  3. Step 3: Cross multiply
    9,534.42x = 13,158.12 × 5,285.64
  4. Step 4: Simplify right side
    9,534.42x = 69,549,085.40
  5. Step 5: Solve for x
    x = 69,549,085.40/9,534.42
  6. Step 6: Final answer
    x = 7,294.53

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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.