Home / 9,531.86-13,152.70-5,282.40

Finding the Fourth Proportional to 9,531.86, 13,152.70 and 5,282.40

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Solution

The fourth proportional to 9,531.86, 13,152.70 and 5,282.40 is: 7,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.86 : 13,152.70 = 5,282.40 : x
  2. Step 2: Convert to fraction form
    9,531.86/13,152.70 = 5,282.40/x
  3. Step 3: Cross multiply
    9,531.86x = 13,152.70 × 5,282.40
  4. Step 4: Simplify right side
    9,531.86x = 69,477,822.48
  5. Step 5: Solve for x
    x = 69,477,822.48/9,531.86
  6. Step 6: Final answer
    x = 7,289.01

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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.