Home / 7,913.04-10,918.53-5,116.92

Finding the Fourth Proportional to 7,913.04, 10,918.53 and 5,116.92

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Solution

The fourth proportional to 7,913.04, 10,918.53 and 5,116.92 is: 7,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.04 : 10,918.53 = 5,116.92 : x
  2. Step 2: Convert to fraction form
    7,913.04/10,918.53 = 5,116.92/x
  3. Step 3: Cross multiply
    7,913.04x = 10,918.53 × 5,116.92
  4. Step 4: Simplify right side
    7,913.04x = 55,869,244.53
  5. Step 5: Solve for x
    x = 55,869,244.53/7,913.04
  6. Step 6: Final answer
    x = 7,060.40

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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.