Home / 9,860.71-13,607.56-5,384.24

Finding the Fourth Proportional to 9,860.71, 13,607.56 and 5,384.24

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Solution

The fourth proportional to 9,860.71, 13,607.56 and 5,384.24 is: 7,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.71 : 13,607.56 = 5,384.24 : x
  2. Step 2: Convert to fraction form
    9,860.71/13,607.56 = 5,384.24/x
  3. Step 3: Cross multiply
    9,860.71x = 13,607.56 × 5,384.24
  4. Step 4: Simplify right side
    9,860.71x = 73,266,368.85
  5. Step 5: Solve for x
    x = 73,266,368.85/9,860.71
  6. Step 6: Final answer
    x = 7,430.13

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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.