Home / 9,792.40-13,510.29-5,543.04

Finding the Fourth Proportional to 9,792.40, 13,510.29 and 5,543.04

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Solution

The fourth proportional to 9,792.40, 13,510.29 and 5,543.04 is: 7,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.40 : 13,510.29 = 5,543.04 : x
  2. Step 2: Convert to fraction form
    9,792.40/13,510.29 = 5,543.04/x
  3. Step 3: Cross multiply
    9,792.40x = 13,510.29 × 5,543.04
  4. Step 4: Simplify right side
    9,792.40x = 74,888,077.88
  5. Step 5: Solve for x
    x = 74,888,077.88/9,792.40
  6. Step 6: Final answer
    x = 7,647.57

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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.