Home / 9,816.93-13,547.16-5,340.60

Finding the Fourth Proportional to 9,816.93, 13,547.16 and 5,340.60

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Solution

The fourth proportional to 9,816.93, 13,547.16 and 5,340.60 is: 7,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.93 : 13,547.16 = 5,340.60 : x
  2. Step 2: Convert to fraction form
    9,816.93/13,547.16 = 5,340.60/x
  3. Step 3: Cross multiply
    9,816.93x = 13,547.16 × 5,340.60
  4. Step 4: Simplify right side
    9,816.93x = 72,349,962.70
  5. Step 5: Solve for x
    x = 72,349,962.70/9,816.93
  6. Step 6: Final answer
    x = 7,369.92

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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.